An average what takes about 5 kilograms of Carbon Dioxide a year and makes about the same amount of oxygen for us to breathe.

Answers

Answer 1
A tree is the answer

Related Questions

Which are the methods by which pasts can be controlled

Answers

Answer:

we can distinguish several different pest control methods which include biological pest control, mechanical pest control.............

Explanation:

Control methods Biological pest control. Cultural control. Trap cropping. Pesticides. Physical pest control. Poisoned bait. Fumigation. Sterilization.

Answer:

Methods of pest control:

Biological pest control.

Cultural control.

Trap cropping.

Pesticides.

Physical pest control.

Poisoned bait.

Fumigation.

Sterilization.

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Explanation:

-)
Environmental factors can influence natural selection because they can increase or decrease
ОООО
the number of chromosomes in an individual.
the number of chromosomes in a population.
the amount of genetic variation in an individual.
the amount of genetic variation in a population.

Answers

Answer:

D

Explanation:

A and B are wrong because environmental impacts can't change the amount of chromosomes an animal has. D is a better answer than c because genetic variation happens within a population rather than an individual.

Answer:

Answer is the amount of genetic variation in a population Natural selection gets impacted by environmental factors.

Explanation:

The removal of the unwanted parts of plants is known as....
A. Mulching
B. Pruning
C. Thinning​

Answers

Answer:pruning

Explanation:

pruning is the removal or the cutting way of  the unwanted parts of plants  for example, the stem if it doesn't bear fruit.

The flowchart below shows the three generations of a cross between a pea plant that has yellow pods and a pea plant that has green pods. Yellow pods are the dominant trait. The flowchart is missing the labels that describe the traits. A flow chart is shown. A and B both go to C. C goes to both D and E.

Answers

Hello. This question is incomplete. Also, you forgot to show the flowchart. The flowchart is attached below and the full question is:

The flowchart below shows the three generations of a cross between a pea plant that has yellow pods and a pea plant that has green pods. Green pods are the dominant trait. The flowchart is missing the labels that describe the traits.

In which squares should the phrase “Green pods” appear?

1.A and D  2.B and E  3.A,C and D  4.A,B,C,D and E

Answer:

3.A,C and D

Explanation:

As shown in the question above, the flowchart shows the crossing of a pea plant with dominant features (green pods - AA) and a pea plant with recessive features (yellow features - aa). The crossing between plants with AA and aa alleles generates a completely Aa population, which in this case, has the dominant characteristic, that is, it has green pods. This is because the "Aa" alleles are called heterozygous and develop the dominant characteristic.

As we can see in the flowchart, the crossing between the two pea plants generated an offspring that is identified by table C, as we know this offspring has green pods and in the flowchart it is represented by a grayish rectangle. Therefore, we can say that the other gray rectangles represent pea plants with green pods, which are rectangles A, C and D.

Answer:

your answer is option C: A, C, and D only

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In an experimental study of the effect of copper deficiency on coat color in bicolored juvenile rats, the independent variable is?

Answers

Answer:

amount of copper

Explanation:

The independent variable would be the amount of copper fed into the experimental rats.

An independent variable during an experiment is a variable whose value is not dependent on any other variable being measured in the experiment.

The value of an independent variable is not changed by any other variable in an experiment. In actual fact, the effect of the independent variable is being tested on other variables (dependent variables) in the experiment.

Hence, in an experimental study of the effect of copper deficiency on coat color in rats, the amount of copper fed into the system of the rats will be varied and the effects of this variation on the coat color of the rats would be observed by measuring relevant variables. Therefore, the amount of copper is the independent variable.


The iodine test is positive for simple sugars if the substance turns bluish purple

Answers

Answer: True

Explanation:

An organism may be multicellular or unicellular.
True
False

Answers

true organisms can be both

1. What is a green space?

Answers

Answer:area of grass and trees and other vegetation

Explanation:set apart for recreational use or aesthetic purposes in urban environments

Read the information for transcription and then answer the question. Protein Synthesis Explain the process of transcription.

Answers

Answer:

Please find the explanation below

Explanation:

Transcription is the first process that occurs in protein synthesis. It involves the use of the stored information in the DNA molecule to synthesize a mRNA molecule.

Transcription, which occurs in the nucleus of eukaryotes and cytoplasm of prokaryotes, is catalyzed by an enzyme called RNA polymerase. RNA polymerase binds to the double-stranded DNA and begins to unwind it (Initiation). This unwinding causes the nucleotide bases to be exposed in order for the RNA polymerase enzyme to read.

The enzyme reads the bases of the DNA and begins to synthesize RNA nucleotides using the complementary base pairing rule (Elongation) i.e. Adenine base paired with Uracil base (RNA), and Guanine paired with Cytosine etc.

The single-stranded mRNA is released at the end of the transcription process (termination). This is basically what occurs in transcription.

The gene coding for the protein untwists and unzips.

RNA nucleotides form complimentary base pairs with the DNA bases.

Hydrogen bonds and sugar-phosphate bonds form and the mRNA strand is synthesized.

mRNA peels off the DNA and moves to the cytoplasm.

In a modern hive of honey bee, honey is harvested from
Brood box
Top cover
The hive stand
The super

Answers

Explanation:

the process of groeing honey is Apiculture


Which statement is true of DNA polymerase?



Answers

Answer:

b) DNA polymerase can synthesize DNA in the 5' to 3' direction

DNA polymerase is only able to synthesize a new strand of DNA and not mRNA. It is only able to do this in the 5' to 3' direction. The leading template strand runs in the 3' to 5' direction and so the new complementary strand is synthesized in a 5' to 3' direction in one continuous run, following the replication fork as it 'unzips' the DNA.

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Explanation:

which components of dna determine the genetic code?

Answers

Answer:

Explanation:

Genetic code. Genetic code, the sequence of nucleotides in deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) that determines the amino acid sequence of proteins. Though the linear sequence of nucleotides in DNA contains the information for protein sequences, proteins are not made directly from DNA.

Which of these stopped operating in 2011? A. space shuttle program B. Kepler Space Telescope C. Hubble Space Telescope D. International Space Station

Answers

Answer:

space shuttle program

Club mosses are closely related to:

A. ferns
B. mosses
C. liverworts

Answers

Answer:

A. FERNS

Explanation:

Which best explains how the body mantens homeostats)
Al systems work together to statize the body
O Each system works independents to sizbize the body
O Al systems work together to match the extemal environment
Each system works independently to match the female vorment​

Answers

Answer:

All systems work together to stabilize the body.

Explanation:

Certain systems work with each other in order to maintain homeostasis, which is essential for the body. For example, when blood circulates through the digestive system, it picks up nutrients absorbed by the body during its last meal. Additionally, blood carries oxygen taken in by the lungs. The circulatory system works with the respiratory system here to distribute oxygen to other parts of the body.

Where does meiosis take place?

Answers

Answer:

Meiosis takes place in germ line cell.

Invovled in reproduction.

Explanation:

Answers:

Diploid cells

Explanation:

Meiosis takes place to produce two gametes or sex cells

Bacteria convert nitrogen gas from the atmosphere into nitrates which are
usable by plants through a process called

Answers

Answer:

Nitrogen Fixation

Explanation:

The conversion of nitrogen gas into nitrates and nitrates through atmosphere, industrial and biological process is called nitrogen fixation. Atmospheric nitrogen must be processed, or 'fixed', into a usable form to be taken up by plant.


What do proteins, nucleic acids, and carbohydrates all have in common?
A. They all use peptide bonds to form macromolecules.
B. They all contain the instructions for building organisms.
C. They are all formed from the same elements.
D. They are all made of chains of amino acids.

Answers

The common feature between proteins, nucleic acids and carbohydrates is ; ( C ) They are all formed from the same elements.

Nucleic acids are present in the DNA or RNA of cells of living organisms. they practically store genetic information and they are made up of long chains of nucleotides.

Carbohydrates, nucleic acid and proteins are are made up same elements which are  ; carbon , oxygen and hydrogen that are combined in several ways in each of the compound.

Hence we can conclude that the common feature between proteins, nucleic acids and carbohydrates is they are all formed from the same elements.

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Proteins, nucleic acids, and carbohydrates all have in common that they are all formed from the same elements. The correct option is C.

Carbon, hydrogen, oxygen, nitrogen, and, in the case of nucleic acids, phosphorus, are the same components that go into the formation of proteins, nucleic acids, and carbohydrates.

These substances make up the fundamental constituents of organic compounds.

The building blocks of proteins are amino acids, the building blocks of nucleic acids are nucleotides, and the building blocks of carbohydrates are simple sugars (monosaccharides).

These macromolecules all have the same elements, but having diverse forms and roles, highlighting the essential roles of carbon, hydrogen, oxygen, nitrogen, and phosphorus in biological molecules.

Thus, the correct option is C.

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a. When a person gets a stroke or heart attack, brain or cardiac (heart) muscles die. Why is this a
problem?

Answers

heart attack and strokes are caused by interruptions to the normal flow of blood to the heart or brain. without access to oxygen-rich blood and nutrients, heart or brain cells begin to malfunction and die. this cell death can set off a series of harmful effects throughout the body.

A food chain is a simple way of showing the relationships between organisms in an ecosystem. What do we call a diagram that shows the complex feeding relationships between organisms in an ecosystem?

Answers

Answer:

a food web

Explanation:

a food web is a more complex version of the food chain

Answer:

food web

Explanation:

A food web is a more complicated version of a food chain

Nerve cells are found in _____.
O plants
O trees
O humans
O grasses​

Answers

Answer:

Humans

Explanation:

Because humans have nerve cells in them and not many things have this except  for animals

Answer:

humans

Explanation:

Because humans have nerve cells and no other thing does except animals

name 2 nature subtopics

Answers

Answer:

mature world and universe

Explanation:

Our experiment was to keep one seedling set in a light place and the other set in a closed cardboard box. So my question is to explain why it is important to keep one set of seedlings in the light. I hope to get a perfect answer

Answers

Answer:

To examine the importance of light to a plant's growth.

Explanation:

To give a background to this question, I will define a key term "Photosynthesis". Photosynthesis is a compound word made up of photo (which means "light") and synthesis (which means "to put together").

It is the process by green plants use sunlight to obtain nutrients from carbon dioxide and water.

The experiment us meant to examine the effect of deprivation of sunlight on a plant's growth.

Therefore, the essence of keeping one set of seedlings in the light is to compare if there is any difference in growth between the seeding kept in the dark cupboard and that kept in the light.

This enables us to conclude whether or not light is important for the growth of a plant.

Imagine you are introducing the Lac operon and the Trp operon to students who have never learned about it before.
Complete the table to compare the similarities and differences between the two operons.

Answers

Type of operon:

Trp operon is a repressible operon

Lac operon is an inducible operon.

Environment:

Trp operon is deactivated when tryptophan is present in the environment.

Lac operon is activated when lactose is present in the environment.

Repressor protein:

Trp operon is activated by tryptophan through bonding to the repressor protein

Lac operon is inactivated by lactose through binding to the repressor protein.

Transcription:

Trp operon -Tryptophan binds to the repressor protein, activating it, thus preventing active transcription of Trp operon.

Lac operon - Lactose binds to the repressor protein, deactivating it, thus allowing for active transcription of Lac operon.

An operon is a unit of DNA found in prokaryotes, containing a cluster of genes under the control of a single promoter and which performs a specific function. Examples of operons are the tryptophan (Trp) and lactose (Lac) operons.

Trp operon is responsible for tryptophan synthesis while Lac operon is  responsible for lactose transportation and metabolism.

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Answer:

answer below

Explanation:

straight from edmentum

Many products and services were initially developed for space exploration. Which of these does NOT have a direct connection to space exploration? A. X-ray machine B. freeze-dried food C. infrared ear thermometer D. portable cordless vacuum

Answers

Answer:

freeze dried food is your answer

Answer: A x ray machine

Explanation:

there is no reason for an x ray machine for space exploration

what is current pandemic disease spreading in the world​

Answers

Answer:

Corona disease  ( There is no specific treatment for disease caused by a novel coronavirus)

Explanation:)

The virus can cause a range of symptoms, ranging from mild illness to pneumonia. Symptoms of the disease are fever, cough, sore throat and headaches. In severe cases difficulty in breathing and deaths can occur.

.

HAVE A NICE DAY !

Answer:

Corona Virus.

Explanation:

What is ethanol? What does ethanol do in our system (as it pertains to drinking alcohol?) What is the relatively small size of the ethanol size important

Answers

Ethanol (also called ethyl alcohol, grain alcohol, drinking alcohol, or simply alcohol) is a chemical compound, a simple alcohol with the chemical formula C2H6O. Its formula can be also written as CH3−CH2−OH or C2H5OH (an ethyl group linked to a hydroxyl group), and is often abbreviated as EtOH. Ethanol is a volatile, flammable, colorless liquid with a slight characteristic odor. It is a psychoactive substance and is the principal active ingredient found in alcoholic drinks.

Ethanol is naturally produced by the fermentation of sugars by yeasts or via petrochemical processes, and is commonly consumed as a popular recreational drug. It also has medical applications as an antiseptic and disinfectant. The compound is widely used as a chemical solvent, either for scientific chemical testing or in synthesis of other organic compounds, and is a vital substance used across many different kinds of manufacturing industries. Ethanol is also used as an alternative fuel source.

In light-dependent reactions, the oxygen leaves the plants through the ________. *

A. stomata
B. vein
C. cuticle

Answers

Answer:

The Stomata

Explanation:

It transpires water & creates a vacuum to draw more water up the stem

Answer:

A. stomata

Explanation:

In light-dependent reactions, the oxygen leaves the plants through the stomata.

23. Which activity most directly involves the
process represented in the diagram below?
1. a gamete produced in meiosis
2. a white blood cell engulfing bacteria
3. a zygote being produced in an testes
4. a human repairing damaged tissue

Answers

Answer:



1. A gamete produced in meiosis

a gamete produced in meiosis is the correct answer .

What is meiosis ?

Meiosis is the process  where a single cell divides twice to produce four four haploid daughter cells which are otherwise called as gametes; It can occur in two substages such as meiosis I and meiosis II.

Humans have 46 chromosomes in every cell,  where 23 chromosomes t came from one of our parents and 23 very similar chromosomes that came from the other parents.

Meiosis I consist of substages like Prophase I where nuclear envelope disintegrates, Chromosomes begin to condense, Spindle fibres appear.

Secondly Prometaphase I where Spindle fibres attach to the  centromere followed by Metaphase I where The homologous chromosomes align at the equatorial plate, Anaphase I where he homologous chromosomes move towards the opposite poles.

Telophase I where Spindle fibres disappear, Cytokinesis I where the cytoplasm and the cell division result in 2 non-identical haploid daughter cells.

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A recent encyclopedia entry about dogs cites multiple research papers done by scientists at veterinary schools. According to the article, Labrador retrievers come in two specific breeds: English and American. The English breed is described as stocky and heavy, while the American breed is described as tall and lanky. The article describes current scientific research as showing that males of both breeds usually weigh about 29-41 kg (65-90 lb), and females weigh 25-32 kg (55-70 lb). Coat colors for both breeds come in solid black, yellow, or chocolate. All labs have strong tails and webbed feet, which help them swim. Devon would like to use this information to determine if his new dog is an English or American Labrador retriever.

Which best describes the reliability of the information?
It is not reliable because only scientists can use scientific information for reference.
It is not reliable because it doesn’t talk about how to test and only gives data about the breeds.
It is reliable because the article is based on multiple studies done by scientists at multiple veterinary schools.
It is reliable because it gives information about both types of Labradors in addition to information about other types of dogs.

Answers

Answer:

It is reliable because the article is based on multiple studies done by scientists at multiple veterinary schools.

Explanation:

The information in the article can be described as reliable due to the fact that it is based on multiple studies by scientists.

When a study is carried out by different group of independent researchers and a similar result if obtained, the results becomes more or less a theory. A research that is reproducible and gives similar result can totally be relied on for information.

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