Gravity causes the solar system to move within the galaxy without any
issues and it is known as the strong bond that holds together entire galaxies
which includes the sun, moon, planets etc.
This keeps the planet revolving around the sun and ensures there is no
deviation from the line followed from the onset. If there is a deviation and
planets end up crashing into one another then the result will be very
disastrous and would lead to mass loss of lives.
Gravity also ensures that different planets and countries have a very different
type of climate due to the relative exposure of the planets/areas to the sun.
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Plz help
The energy diagram shows the changes in energy during a chemical reaction.
Which statement best describes the total energy change of the system?
Answer:
the awnser is c
Explanation:
i took the test
Mike is doing a project for science class. He is making an analogy of a cell and relating it to the structure and function of a city. He is looking for a building to represent the mitochondria. Which building in a city has a similar function and would best represent the role of the mitochondria in the cell?
Answer: Mitochondria are organelles that make energy for a cell; they are inherited from ... In this chapter, we will look at the structure and function of the eukaryotic cell. ... to functions of a city to emphasize that all parts are needed. ... We begin by looking at ... cell, as he peered through a primitive microscope of his own construction.
HElP thank you pLeAsE
Answer:
Cell membrane
Explanation:
I've done this before
WILL GIVE BRAINLIEST IF YOUR RIGHT!!!! Please hurry
Answer:
1 = celsius 4 = watts 5 = displacement/time 6= distance/time
Explanation:
3= newtons 2= joules
What is the best explanation for seasons?
1 point
A. The Sun orbits the Earth
B. The Earth spins once a day, causing day and night
C. The Earth is tilted, causing the incoming sun's rays to hit the rounded surface of the Earth at different angles in opposite hemispheres.
D. The Earth is father away from the Sun at times and closed at other times.
The most thrilling roller coasters usually contain vertical loops. What keeps the riders in their seats when they go upside-down?
Which of the following metals is most reactive?
A. aluminum
B. sodium
C. copper
D. calcium
Answer:
A. aluminum
Explanation:
Aluminium is soft, lightweight and ductile with excellent thermal and electrical conductivity. It is highly reactive, though the metal is protected by a surface layer of inert transparent oxide (Al2O3) that forms rapidly in air, providing excellent corrosion resistance.
Based on Newton’s 3rd Law of motion, if an archer shoots an arrow at the target, the action force is the bowstring against the arrow. Explain where the reaction force can be found.
Answer: the reaction force is the arrows push against the bow sting
Explanation:the two objects must react the same , bowstring and arrow.
What must be true about the system for this to be possible?
Apple juice in a bottle has a volume of 475 cubic centimeters and a mass of 494 grams .Calculate its destiny
If you were an engineer of an actual roller coaster, what information would you need to know to ensure that your coaster would be safe?
What is the connection between our sense of hearing and our balance?
I'll give brainlest to whoever answers first.
Answer:
When the head moves, fluid within the labyrinth moves and stimulates nerve endings that send impulses along the balance nerve to the brain. Those impulses are sent to the brain in equal amounts from both the right and left inner ear.
Explanation:
Answer:
well since you posted this 5 days ago then i will say thank you for the free points
Explanation:
also thank you if you have read this then i want you to know that god is always on your side no matter what so always make the right desitions.
The density of a substance equals its mass divided by its volume. Talia listed the density of some common materials at 20 °C.
Material
Density (g/cm3)
gasoline
0.70
mercury
13.6
milk
1.03
water
0.998
If Talia has 10 grams of each material, which material has the greatest volume?
Show your work below.
Answer:
mercury
Explanation:
Use the information and model to answer the following question.
Echippus is an early ancestor to modern horses that lived 40 million years ago. The organism had a short neck, a short tail and feet with four toes. After ten million years, the tail and neck became longer and one of the toes disappeared as evidenced by the fossil of Mesohippus. Evolution of these organisms continued for 20 million years up to the present day causing the organisms to have longer necks and one solid hoof.
Answer:
D
Explanation:
The fossil record shows that the mammals gradually evolved so that their toes became one large hoof so this variation must have been more useful for survival than many toes. The correct option is 1.
What is fossil record?Paleontologists, archaeologists, and geologists use the fossil record to place important events and species in the correct geologic era.
It is based on the Law of Superposition, which states that the bottom layers in undisturbed rock sequences are older than the top layers.
The neck and toes of early horse ancestors evolved in such a way that the neck and tail became longer and one of the toes disappeared over time. The fossil record demonstrates this, as Echippus had a short neck, a short tail, and four-toed feet.
The fossil record shows that mammals gradually evolved their toes into one large hoof, implying that this variation was more useful for survival than many toes.
Thus, the correct option is 1.
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Your question seems incomplete, the probable complete question is:
Echippus is an early ancestor to modern horses that lived 40 million years ago. The organism had a short neck and tail and also feet with four toes. After ten million years, the tail and neck became longer and one of the toes disappeared as seen in the Mesohippus. Evolution of these organisms continued 20 million years up to the present day with the organisms having longer necks and one solid hoof.
Which explanation can best be supported by the horse fossil record?
answer choices
The fossil record shows that the mammals gradually evolved so that their toes became one large hoof so this variation must have been more useful for survival than many toesThe fossil record shows that the mammals rapidly evolved so that their toes became one large hoof so this variation must have been more useful for survival than many toesThe fossil record shows that the mammals gradually evolved so that their toes became one large hoof so this variation must have been less useful for survival than many toesThe fossil record shows that the mammals rapidly evolved so that their toes became one large hoof so this variation must have been less useful for survival than many toesWhich of the following statements uses a connotative word to evoke the most negative feeling?
Mary’s mother complained that Mary’s bedroom was messy.
Mary’s mother complained that Mary’s bedroom was neat.
Mary’s mother complained that Mary’s bedroom was untidy.
Mary’s mother complained that Mary’s bedroom was disorganized.
Water that is moving across Earth’s surface is called
erosion
sediment
runoff
precipitation
Answer:
I'm pretty sure the answer is runoff
A carrot has a volume of 180 cubic centimeters and a mass of 81 grams . Calculate its destiny
Answer:
0.45 grams per cu centimeter
Explanation:
What is an example of a reservoir?
1. Beach
2. Cloud
3. Desert
4. Lake
I think that the best answer is Lake.
A reservoir (/ˈrɛzərvwɑːr/; from French réservoir [ʁezɛʁvwaʁ]; lit. 'storehouse') is, most commonly, an enlarged natural or artificial lake, pond, or impoundment created using a dam or lock to store water.
Please give brainiest if correct, would rlly appreciate it :D
Answer:
Lake
Explanation:
The meaning of reservoir is a large natural or artificial lake used as a source of water supply.
PROCESS OF ELIMINATION
____________________
A beach is not a reservoir.
Clouds have little water so we cannot do that.
Desserts have little to no water
That just leaves us with 4, (Lake)
PLEASE HELP!!!!
An object with a weight of 42 N is placed in a pool. The object displaces 37 N of water. The object will:
a) sink
b) be buoyed up
c) stay in place
If a bowler rolls the bowling ball down the alleyway with a force of 1,000N. The ball exerts a reaction force again the alleyway with approximately how much force? Explain your thinking behind this.
Answer:
1,000
Explanation:
because the ground won't stop the ball so it is always going to stay the same
You should have drawn the coaster following a straight line after it slipped off the track. Since that is the path it would take without the track, there must be an unbalanced force causing it to accelerate (turn) around the bend. What direction is that force pointing? Draw a top-view sketch of the force vectors below.
Answer:
uhhh... cool story bro?
Explanation:
Objects that are denser than water will sink in water. Question 1 options: True False
For example, a very dense metal will sink to the bottom while something like wood will float on the surface. The wood is less dense compared to the water, which is why it floats. Density is the measure of how much stuff you can pack in a certain volume. The higher the density, the more stuff per volume. Think of it like packing a suitcase. If there's barely anything in there, then we can say its density is low. The more stuff crammed in the suitcase will increase the density (and therefore the weight), while keeping the volume the same.
Answer:
true
Explanation:
i think
PLEASE HELP ME ASAP
Identify the method of heat transfer that takes place in each illustration. Some illustrations may show more than one form of heat transfer.
Answer:1,3,5,7,8,10,11 is conduction while 2,4,6,9 is radiation
Explanation:
What are examples of pollution that can be caused by agriculture?
A) mercury and cyanide tailings
B) animal waste and pesticide
C) salt and soil sediments
D) gasoline and oil seeping into groundwater
Examples of pollution that can be caused by agriculture are animal waste and pesticides. The correct option is B.
What is agricultural pollution?Agriculture can be a significant source of pollution, particularly from the use of chemicals such as fertilizers and pesticides, and the disposal of animal waste.
Animal waste can pollute waterways with excess nutrients, such as nitrogen and phosphorus, which can lead to harmful algal blooms and oxygen depletion in aquatic ecosystems. Additionally, animal waste can contain pathogens and bacteria that can contaminate water sources and pose a risk to public health.
Pesticides can also contaminate waterways and soil, which can have negative impacts on ecosystems and human health. Pesticide residues can accumulate in crops and animal products, leading to long-term exposure in humans and animals.
Other examples of agricultural pollution include soil erosion, which can lead to the deposition of sediments in waterways, and the use of excessive salt in irrigation practices, which can lead to soil salinization and reduce crop productivity.
Therefore, Animal waste and pesticides are examples of pollution that can be caused by agriculture.
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Scientists discovered how to use x-rays over 100 years ago. They found that x-rays
could pass through soft parts of the human body but were stopped by hard body
parts. How do doctors use x-rays today?
A.to find injuries
B.to cure diseases
C.to prevent illnesses
D.to protect body parts
please help me eseghgtrhj
The correct answer is C.
the purpose of a nuclear power plant is to transform nuclear energy to electricity. this is done in steps starting with a nuclear reaction which generates heat to produce steam. the steam in turn is used to turn a generator which finally produces electricity. which answer best illustrates these energy transformation.
A. nuclear --> mechanical --> chemical --> electrical
B. thermal --> nuclear --> mechanical --> electrical
C. mechanical --> thermal --> nuclear ->electrical
D. nuclear --> thermal --> mechanical --> electrical
Energy order is nuclear --> thermal --> mechanical --> electrical.
What is thermal energy?The energy present in a system that determines its temperature is referred to as thermal energy. Thermal energy flows as heat. Thermodynamics is a whole field of physics that studies how heat is transmitted across various systems and how work is performed in the process.
Mechanical energy, also known as kinetic energy or potential energy, is the energy that an object possesses when it is in motion or the energy that an object stores due to its position. Renewable energy is also fueled by mechanical energy.
Energy order is nuclear --> thermal --> mechanical --> electrical.
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Help me please it’s urgent
Answer:
I Think A But Im Not Sure About It
What type of energy is stored in the bonds between atoms?
Question 1 options:
Thermal Energy
Nuclear energy
Light Energy
Chemical energy
please include explanation
Answer:
chemical energy
Explanation:
Energy, potential energy, is stored in the covalent bonds holding atoms together in the form of molecules. This is often called chemical energy.
a student built a fire using coal. the coal started to burn. which statement best describes the energy changes that occurred.
A. the chemical energy stored in the coal changed to thermal energy and light energy
B. the thermal energy stored in the coal changed to light energy and chemical energy.
C. the light energy and thermal energy stored in the coal changed to mechanical energy.
D. the light energy and thermal energy stored in the coal changed to chemical energy
Answer:
98% sure the answer is A, as coal, when burning, releases thermal and light energy through the fire.
Explanation:
