The Roper Center database is rich with polls regarding government involvement in space exploration,starting as far back as the 1960s.Unfortunately, space exploration in general,and public versus private involvement in it.More recently,however,there has been an increase in the type and amount of surveys on the issue.Polls from a variety of sources such as Social Sciences Research Solutions.
The space exploration industry is in a new era,and the public seems to know what they want from it.Overall,the public is largely content with NASA's level of spending,with about equal percentages wanting to see an increase or decrease.The public also values public-private partnership more than the federal government or private enterprises working alone,altough there is reason to believe that this desired relationship places NASA in the driver's seat.There is substantial academic reasoning for the differing stances on public and/or private involvement,with real examples or input from those directly related to the industry,the support one dynamic or another.
Why did Malva poison Claire?.
Before passing away, Malva tells him that she caused their illnesses. She had poisoned Claire and Tom after obtaining pieces of the deceased Sin Eater.
Getting Claire out of the way was her only option if she intended to approach Jamie. And Jamie's affair was not the reason. She wanted Jamie to be compelled to claim the child because she was already pregnant.
This plot is based on the books. Tom and Claire contract the same illness in A Breath of Snow and Ashes at the same time that dysentery is spreading over the Ridge. Claire is aware that she did not experience the same thing, but she is unable to identify the root of the problem.
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Why did Mendel selected garden pea for his experiment Class 12?.
Mendel researched pea ancestry (Pisum sativum). He decided on peas because they can be planted every year, have been used in comparable research, and are simple to grow.
Garden pea plants were Mendel's first choice for his tests because: Cultivating them is simple.
They have relatively brief life cycles.
Pea plant flowers have a bisexual sex pattern. These plants can do cross-pollination if it is applied to them in addition to self-pollination.
Through self-pollination, it is simple to produce pure or true-breeding plants.
It's easy to differentiate them correctly based on their qualities. As a result, it is simple to see the characteristics of this plant (for example; tall versus dwarf plant).
Large flowers are present on these plants. As a result, it is simple to remove the male anthers (anthers) to allow this flower to pollinate another.
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Using your knowledge obtained during this lab, indicate whether you would use
a compound light microscope (CLM)
a transmission electron microscope (TEM)
● scanning electron microscope (SEM)
to view the following items.
●
1. To observe the metal-stained surface of a dead fly. -
2. To view living microorganisms (micro = small) swimming in pond water. -
3. To view a very thin, heavy metal-stained cross-section of a liver cell. -
4. To view a metal-coated bacteria on a single cell of the finger-
5. To view a cross-section of a finger -
Answer:
To observe the metal-stained surface of a dead fly: Scanning Electron Microscope (SEM)To view living microorganisms (micro = small) swimming in pond water: Compound Light Microscope (CLM)To view a very thin, heavy metal-stained cross-section of a liver cell: Transmission Electron Microscope (TEM)To view a metal-coated bacteria on a single cell of a finger: Scanning Electron Microscope (SEM)To view a cross-section of a finger: Transmission Electron Microscope (TEM)give me brainiest
which of the following fire-management methods reduces outbreaks of pests and diseases?A. preventing firesB. suppressing a fire altogether C. suppressing a fire at earl
Controlled burning is an ordinary practice used to acchieve different goals. Controlled burning is a fire-management methods that reduces outbreaks of pests and diseases. Option D is correct.
When talking about controlled burning, we are referring to the use of fire in an ecosystem by an expert team. Controlled fires must be done under specific meteorological conditions. These include temperature range and humidity, among others, to avoid fire expansion.
The expert team must control the fire dimensions and guide it to an end point, which might be a water flow, rocks, a road, among others.
Some ecosystems depend on natural fires to remain stable. When the practice of controlled fire is well-done, it helps to restore these ecosystems' health and to avoid future damages. Controlled fire practice has several land management goals.
Ecosystem health restorationNutrient recycleInvasive species controlPestes / Plagues controlSpace for new native vegetationFlammable fuels reductionIncidental uncontrolled fires reductionAmong these goals, one of the followed goals is to control the outbreaks of pests and diseases.
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Full Question ;
which of the following fire-management methods reduces outbreaks of pests and diseases?
A. preventing fires
B. suppressing a fire altogether
C. suppressing a fire at early stages
D. controlled burning
pressure waves passing through the perilymph of the cochlea compress the vestibular membrane, and ultimately displace the basilar membrane. what is true of these waves?
A) High frequency waves (high notes) depress the basilar membrane closest to the cochlear's distal end.
The basilar membrane is a stiff structural element within the cochlea of the inner ear that separates the scala media and scala tympani, two liquid-filled tubes that run along the coil of the cochlea. In response to incoming sound waves, which are converted to traveling waves on the basilar membrane, the basilar membrane moves up and down.
The basilar membrane is a pseudo-resonant structure that varies in width and stiffness, much like the strings on an instrument. However, unlike the parallel strings of a guitar, the basilar membrane is a single structure with varying width, stiffness, mass, damping, and duct dimensions along its length.
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What if a human has more than 46 chromosomes?.
If a humans have more than 46 chromosomes, they will experience trisomies.
Chromosomes are fine thread-shaped structures that contain coiled DNA chains and are located in the cell nucleus. Chromosomes function as carriers of traits that can be passed on to their offspring. In humans, the number of chromosomes in a diploid cell is 46 or 23 pairs of chromosomes.
The chromosomes consist of 44 fruit chromosomes consisting of 22 pairs of body chromosomes and a pair of sex chromosomes. When someone has more than 46 chromosomes, they will experience a disorder called trisomy. Trisomy is a chromosomal disorder in which the cells in the body have three chromosomes. The cause of this excess chromosome is associated with pregnancy that occurs in women with an older age. Women who are pregnant at an old age have hormones that can affect cell division during embryonic development so as to produce extra chromosomes..
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At what point during resuscitation is a cardiac monitor recommended to assess the baby's HR?.
The baby's heart rate should be checked once more after 60 seconds of chest compressions. The most precise way to measure heart rate while performing chest compressions is through continuous ECG monitoring.
International resuscitation guidelines for neonatal resuscitation advise determining a newborn's heart rate (HR) by using a stethoscope to listen to the precordium, feeling for pulsations at the base of the umbilical cord, or feeling the brachial or femoral pulses.
The Neonatal Resuscitation Program (NRP) and other international neonatal recommendations use predetermined HR targets of 100 and 60 beats per minute (bpm), respectively, to start PPV and chest compressions. After performing compressions and ventilations for one minute, the heart rate should be monitored again.
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Scientists believe that the moon formed due to a protoplanet colliding with the earth. If this is the case, the moon should have a composition similar to.
The composition of the moon is similar to that of the Earth's Mantle, other Meteros, and other Comets.
The story best supported by all available data, however, is that the moon formed during a massive collision between the proto-Earth and another protoplanet roughly the size of Mars, known as "Theia."
The chemistry of lunar rock samples brought to Earth by lunar meteorites and the Apollo moon landings can be used to understand the history of the Moon and its relationship to the Earth.
The moon, like the Earth, began with a thick layer of molten rock on its surface.
However, unlike the Earth, the moon's surface did not cool enough to form tectonic plates. Instead, it has a thick crust made almost entirely of feldspar, a light-colored mineral. Feldspar is the main component of the bright areas visible on the moon today, also known as the lunar highlands.
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Ronald pushes a box up an inclined plane with 35% efficiency. If 224 joules of energy went into moving the box, how much energy did ronald put into the inclined plane?(1 point).
Ronald put 640 joules of energy into the inclined plane.
In a nutshell: Ronald gave the inclined plane 640 joules of energy.
the calculation method for energy input
As we all know, efficiency is the ability to complete a task with little to no waste. In mathematics, it can be written as
Efficiency is defined as (Output / Input) 100.
The input energy can be calculated as follows using the formula above:
224 joules are the same as work output.
efficiency is 35%
entered work equals
Efficiency is defined as (Output / Input) 100.
35% = 224 / input
0.35 = 224 / input
multiplying by
0.35 × input = 224
On both sides, 0.35 is added.
Work input = 224 / 0.35.
There is 640 joules of work done.
Consequently, 640 joules
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Pick one of these factors and explain what impact it has on how quickly a rock weathers.
Answer:
Thermal stress is one of the causes of weathering of rocks.
Explanation:
The disintegration or dissolving of rocks and minerals on the earth's surface is referred to as "weathering." Water, ice, acids, salts, plants, animals, and temperature variations are all weathering agents. After a rock has been broken down, a process known as erosion carries the rock fragments and minerals away. No rock on Earth is strong enough to withstand the pressures of weathering and erosion.
Weathering via mechanical means Rocks crumble as a result of mechanical weathering, also known as physical weathering and disaggregation. Water, whether liquid or solid, is a common mechanical weathering component. Liquid water, for example, can seep into cracks and fractures in the rock. Water will freeze if temperatures fall low enough. Water expands as it freezes. The ice then functions as a wedge. It gradually enlarges the fissures and breaks the rock. When ice melts, liquid water erodes the rock by taking away the microscopic pieces that were lost in the break. This particular process (the freeze-thaw cycle) is referred to as "frost weathering" or cryofracturing.
Temperature changes, known as "thermal stress," can also contribute to mechanical deterioration. Temperature changes cause rocks to expand (with heat) and compress (with cold). The structure of the rock diminishes when this occurs repeatedly. It collapses over time. Thermal stress is especially dangerous in rocky desert terrain. As the temperature varies from day to night, the exterior layer of desert rocks is subjected to repetitive stress. Exfoliation occurs when the outer layers flake off in thin sheets. Exfoliation contributes to the production of Bernhardt's, one of the most spectacular aspects of weathered and eroded landscapes. Bornhardts are towering, domed, solitary rocks that are commonly found in tropical regions.
water is essential to life. which property of water affects life less than the others?
The property of water that affects life less than the others is its ability to remain liquid over a wide range of temperatures.
Water is one of the most important elements for life on Earth. This is because of its unique properties, like its ability to dissolve many substances, its high surface tension, and its capacity to absorb and store thermal energy.
One of these properties, which is often less appreciated, is its ability to remain liquid over a wide range of temperatures.
This makes water an essential part of life, since it provides the medium in which many biochemical reactions necessary for life occur. Without water, life as we know it would not be possible.
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The neuroectoderm is induced by the notochord to form a _________. ___________
The neuroectoderm is induced by the notochord to form a neural; neural crest
What is neural?Neural refers to the structures in the body related to the nervous system. This includes the brain, spinal cord, and nerves that run throughout the body. Neural tissue is composed of nerve cells (neurons) and supportive cells, such as glial cells, which provide a protective insulation for neurons. Neurons communicate with each other and other cells in the body through electrical and chemical signals. Neural networks are complex systems of interconnected neurons that work together to process and interpret information from the environment. Neural networks play an important role in controlling behavior, cognition, and emotion. They are also responsible for the regulation of motor functions, vision, and hearing.
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Which observation suggests that eukaryotes may share a more recent common ancestor with bacteria than with archaea?Many genes that affect metabolism in yeast are more similar to bacterial than archaeal genes.
Many yeast metabolism related genes resemble bacterial genes more so than archaeal genes.
Do both bacteria and archaea share any genes in common?
However, researchers later found that bacteria and archaea differ significantly in terms of molecules. Genetic studies have also shown that Domains Archaea and Eukarya are more closely related each other than to Genus Bacillus in terms of phylogeny.
What distinguishes bacterial from archaeal cells?
In contrast to archaeal cell walls, which are made of polysaccharides, bacteria cell walls are made of peptidoglycan, a mixture of proteins and carbohydrates sugars. Their cell walls' composition is also different from that of eukaryotic cell walls seen in fungi, insects, or plants cellulose chitin.
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Complete question
Which observation suggests that eukaryotes may share a more recent common ancestor with bacteria than with archaea?
a. behavioral traits
b. the tree that represents the fewest evolutionary changes, in either DNA sequences or morphology
c. gross morphological traits
d. Many genes that affect metabolism in yeast are more similar to bacterial than archaeal genes.
What is unique about the animals of the
tropical dry forest?
A. They are mostly aquatic animals.
B. They all migrate during the colder temperatures.
C. They are all cold-blooded.
D. They go through a season of inactivity like hibernation.
Answer:C they're all cold blooded
Explanation:
Discuss how each mutation might affect the organism—would it be helpful, harmful, or have no effect on the organism’s ability to survive in the current environment?
Explanation:
Mutation effects can be beneficial, harmful or neutral (i.e, having no effect on the organism), depending on their context or location. Most non-neutral mutations are deleterious(harmful often in a subtle or unexpected way).
In general, the more base pairs that are affected by a mutation, the larger the effect of the mutation, and the larger the mutation's probability of being deleterious.
Diana is studying four surface features of Florida. She classifies the surface features and places them in different columns of a chart as shown below.
Surface Features
Column 1 Column 2
Sinkholes Hot springs
Caverns Geysers
Which of these titles best represents Column 1 of Diana's chart? (2 points)
Select one:
a.
formed by freezing groundwater
b.
formed by heating groundwater
c.
formed by evaporation of groundwater
d.
formed by chemical action of groundwater
Formed by chemical action of groundwater best represents Column 1 of Diana's chart
What are hot springs?Hot springs are natural springs that are formed when water from underground geothermal sources is heated by molten rock or magma deep in the earth. They typically have temperatures that are higher than the average ambient temperature of the surrounding area. The heated water in hot springs can contain dissolved minerals, such as sulfur, which gives the water a distinct smell and can change its color.
Hot springs are also known for their therapeutic properties and have been used for thousands of years for medicinal and relaxation purposes. They can also be used as a source of geothermal energy. Hot springs can be found in many places around the world, including volcanic regions, tectonic plate boundaries, and areas with active geothermal activity.
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Which of the following methods of plant reproduction ensures the highest levels of genetic diversity?
A. layering
B. sexual reproduction
C. asexual reproduction
D. grafting
how does one side of the dna strand compare with the other side of the dna strand?
The two sides of a DNA strand, also known as the "backbone," are composed of alternating sugar and phosphate molecules. The sugar in one strand is called deoxyribose and the other strand is composed of a base, which can be adenine, thymine, guanine, or cytosine. These bases form the "rungs" of the DNA ladder and are held together by hydrogen bonds, which connect the two strands of DNA. The sequence of these bases on one strand determines the complementary sequence of bases on the other strand, which is what allows for DNA replication and the transmission of genetic information.
How does energy usually flow in Eco systems
competitive inhibition vs noncompetitive inhibition
Competitive inhibitors compete for the binding site in protein with the actual ligand, whereas non-competitive inhibitors do not.
A competitive inhibitor competes with the substrate for binding at the enzyme's active site. A noncompetitive inhibitor binds at a site other than the active site.
Competitive inhibition occurs when molecules that are very similar to the substrate molecules bind to the active site and prevent the actual substrate from binding. Penicillin, for example, is a competitive inhibitor that inhibits the active site of an enzyme used by many bacteria to build their cell... In repression.
Noncompetitive inhibition, a type of allosteric regulation, is a type of enzyme inhibition in which an inhibitor binds to an allosteric site, resulting in decreased enzyme efficacy. An allosteric site is simply one that differs from the active site—the location where the substrate binds.
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Do leaves reflect or absorb light?.
The answer to "Do leaves reflect or absorb light" is leaves reflect and also absorb light. Because leaves аbsorbs аll wаvelengths of visible light except for green, which it reflects
А pigment is аny substаnce thаt аbsorbs light. The color of the pigment comes from the wаvelengths of light thаt аre reflected, or in other words, those wаvelengths not аbsorbed. Chlorophyll, the green pigment common to аll photosynthetic cells, аbsorbs аll wаvelengths of visible light except green, which it reflects. This is why plаnts аppeаr green to us. Blаck pigments аbsorb аll wаvelengths of visible light thаt strike them. White pigments reflect most of the wаvelengths striking them.
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4) What problems does the manual removal of zebra mussels have? Why would you not want to use that method?
A. It is expensive.
B. It is a short-term solution. Zebra Mussels will return within 1 year.
C. It cannot be used in an actual, natural ecosystem.
multiple genes interact to determine the phenotype is called
What was Darwin's theory about the finches on the Galapagos Islands?.
Darwin's finches from the Galápagos archipelago have historical significance in evolutionary biology because they provided some of the fundamental insights into natural selection and adaptive radiation processes.
Charles Darwin discovered several species of finches that differed from island to island during his visit to the Galapagos Islands, which helped him develop his theory of natural selection. He noticed that the shape of the birds' beaks varied depending on the type of food they ate.
The Galapagos finches contributed to Darwin's understanding of natural selection. Darwin's Finches' beaks' favorable adaptations were selected for over generations until they all branched out to form new species. These birds, while nearly identical to mainland finches in every other way, had distinct beaks.
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Who does Claire get pregnant with?.
Claire gets pregnant with Jamie.
Diаnа Gаbаldon's Outlаnder series is one of the most successful book аdаptаtions to hit televisions in the lаst decаde. The first Outlаnder novel wаs releаsed in the 1990s. Eаch new book аmаssed а moderаtely sized, devoted following, until the Stаrz аdаptаtion premiered in 2014.
When Clаire returns to Scotlаnd in the 17th century, she eventuаlly becomes stepmother to Jаmie's son by Genevа Dunsаny, Williаm Rаnsom, аnd his stepdаughter, Mаrsаli MаcKimmie Frаser, from his mаrriаge to Lаoghаire MаcKenzie.
In the 18th century, Clаire winds up mаrried to Jаmes Аlexаnder Mаlcolm MаcKenzie Frаser, of Clаn Frаser of Lovаt. They hаve severаl children: Fаith, who doesn't survive birth; аn аdopted son nаmed Fergus; аnd а dаughter, Briаnnа.
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What value of n makes the number sentence, n times 9 = 0 true Answers ⬇️ below
-9
0
1
9
1. Which of the these is something developing countries have not tried in order to control/reduce birth rates?
A. Economic incentives
B. Legal punishments
C. Emigration
D. Family planning programs
2. What infrastructure is not likely to be affected by rapid population growth?
A. Hospitals
B. Schools
C. Sewage plants
D. All will be affected
3. Which of the following is a characteristic of a least developed country?
A. Improving economies
B. Few signs of development
C. High birth and low death rates
D. Industry everywhere
4. Everyone is connected-what does this mean ?
A. There is a invisible string connecting us to all possible future outcomes
B. Organisms are connected to the abiotic and biotic factors of their environment, which are all connected to the biosphere
C. We all fit together like awesome Lego pieces
D. The link between climate change and intergalactic gassed.
5. Which of the following is not one of the ways in which coral reefs are threatened by human activities?
A. Creation of artificial reefs
B. Pollution
C. Overharvesting of fish
D. Development along waterways
I think the answer for number 5 is b
Answer:
1C 2D 3B 4B 5A
Explanation:
i might be wrong on number 4
Which of the following best describes the way plants with rhizomes can reproduce?
A. by both sexual and asexual reproduction
B. by sexual reproduction only
C. by sexual reproduction and grafting
D. by cloning only
Answer:
c
Explanation:
when you graft you are a usally combing two plants to make a differt species
two alleles are dominant, resulting in offspring that show both phenotypes.
a. true
b. false
It is true that when two alleles are dominant, resulting in offspring show both phenotypes. When both alleles are fully expressed and visible in the offspring, this is referred to as codominance.
The Mendelian inheritance of snapdragon flower color is an illustration of this, with the allele for red flowers (R) dominating over the allele for white flowers (r), as well as the allele for yellow flowers (Y) dominating over the allele for green flowers (y).
The phenomenon known as codominance occurs when a snapdragon plant that is homozygous for red flowers (RR) crosses with a snapdragon plant that is homozygous for yellow flowers (YY). The resultant plants will have both red and yellow flowers.
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What is undigested food called?.
Undigested food is called "feces." Food is our fuel, and the nutrients it contains provide our cells with the substances and energy they need to function.
However, food must first be broken down into manageable portions that the body can absorb and utilize. Arrives at the mouth. It exits the body as feces (poop) through the anus after passing through a lengthy tube. Food is broken down into tiny molecules along the route so that the body can absorb the nutrients it requires:
Amino acids must be extracted from protein.
Simple sugars are formed when starches break down.
Fatty acids and glycerol are formed when fats are broken down.
What exits the body as feces are the food waste components that the body is unable to utilize.
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