i need help pls question is below

Answer:

D) the doppler effect

Explanation:

the sound waves are more spread out as it moves away resulting in a lower pitch

Answer: Cash receipts for all commodities are forecast to decrease $12.3 billion (3.3 percent) to $358.3 billion (in nominal terms) in 2020. Total animal/ ...

Explanation:

Answer:

smooth and involuntary

Two layers of smooth muscle form the small intestine. The outermost layer is the thin, longitudinal muscle that contracts, relaxes, shortens, and lengthens the gut allowing food to move in one direction. The innermost layer is a thicker, circular muscle.

Also smooth muscle is not under our control so is called involuntary

Answer: Organ

Check my answer

Explanation:

Answer:

I would have to say either ribosomes or mitochondria.

Answer:

the ribosomes :)

Explanation:

Answer:

1. The codons on the mRNA transcript contain an extra base which causes the amino

acid chain to not make the desired protein.

Explanation:

Then error will make it not to produce the required output

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Answer:

The word ‘diffusion’ means free movement across distance, with or without the presence of a barrier. However, there is a phenomenon known as facilitated diffusion which occurs at the cellular level. The cell does not allow free radicals and other harmful substances to enter and harm the cell organs.

Explanation:

Answer:

When certain large molecules are unable to move through the membrane without the help of channel proteins.

Explanation:

Facilitated diffusion occurs when large molecules that are unable to pass through a membrane on their own make use of channel proteins to move from one side of the membrane to the other. Facilitated diffusion can occur when a liquid on one side of a membrane has a higher osmotic pressure than a liquid on the other side of the membrane, but it isn’t a required feature of facilitated diffusion. Similarly, facilitated diffusion can occur when there’s a large membrane potential present, but it isn’t a required feature of facilitated diffusion. Facilitated diffusion doesn’t require the use of energy, so the presence of ATP is irrelevant to facilitated diffusion occurring.

Answer:

3. elevation

Explanation:

Answer:D

Explanation:

The asteroid would have caused sever heat in the atmosphere and elinate most of the water so i is severe climate change

Answer:

D : The asteroid would have caused sever heat in the atmosphere and elinate most of the water so i is severe climate change

Explanation:

Answer:

a. the climate

Explanation:

Answer: The answer is C

A prokaryotic cell usually lack a well defined nucleus. The correct option is C.

A prokaryotic cell is one that lacks a true nucleus and membrane-bound organelles.

The prokaryotic cell is the foundation of organisms in the domains Bacteria and Archaea.

Thus, the correct option is C.

For more details regarding prokaryotic cell, visit:

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Explanation:

1. the noble gases because they have a full valence shell

2.the amount of valence electrons

3. they have a full valence shell and dont need any more electrons

Answer:

the answer it at the bottom

Explanation:

Uptake of CO2 by plants: Since CO2 is needed for photosynthesis, measuring how much of it is taken up by the plants gives us information on how much of photosynthesis is happening.

Release of O2: The amount of O2 produced during photosynthesis can be measured.

Explanation:

The autonomic nervous system controls the tone of the digestive tract. The brain controls drinking and feeding behavior. The brain controls muscles for eating and elimination. The digestive system sends sensory information to the brain.

Answer:

They all seem to be correct, good job!

Answer:

Correct

Explanation:

Comets are small bodies that go around/orbit the sun. A comet can also pack more damaging force than even an asteroid of the same mass. The dusty particles combined with ice and water, become the amazing beginning of a Comet.

When a comet or comets come within a certain distance of the Sun, they sublimate, which is another word for going from a solid-state to a gas without ever becoming a liquid.

Answer:

The soil getting washed away

Explanation:

Answer: When temperatures rise, Plants grow taller to cool themselves off.

Explanation:

Their stems grow taller and their leaves become narrower and grow farther apart.

1. 6

2. insect

3.plant

4.snake

5. snake

6. plant

7. bird

hope this helps, sorry if i got any wrong

Answer:

The respiratory system's main purpose is to move fresh air into your body and moving waste gasses out (like carbon dioxide when you breathe out)

Answer:

Explanation:

Find the total mass of the water and the dry pasta, then cook the pasts and measure the mass of the cooked pasta and the water in which it is being cooked.

From the air surrounding the apical surface.

Answer:

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Answer:

1. Shrink

2. Swell

3. Neither

Explanation:

The percentage of water indicates how pure the water is, i.e. how concentrated the molecules of water are.

The higher the percentage of water, the more water molecules there are in the space.

Water molecules move from a high concentration to a low concentration across a semi permeable membrane, by the process of osmosis.

In beaker 1, the water outside is 89%, and inside the bag is 92%. That means the water inside the bag is at a higher concentration than outside. That means water will leave the bag, moving from a high concentration to a lower concentration outside. The bag will shrink.

In beaker 2, the water outside is 97%, and inside is 92£%. That means the water inside the bag is a lower concentration than outside. That means water will enter the bag, moving from a higher concentration outside to a lower concentration outside. The bag will swell.

In beaker 3, the concentration of water inside and outside is the same. That means they are in an equilibrium (the movement is balanced) so neither will occur

the answer is 100 grams. the formula for finding mass is density x volume.

i hope this helps!

Answer:

Mass is not conserved in chemical reactions. ... This means that the total mass and energy before a reaction in a closed system equals the total mass and energy after the reaction. According to Einstein's famous equation, E = mc2, mass can be transformed into energy and energy can be transformed into mass.

Explanation:

Answer:

Mass is not conserved in chemical reactions. The fundamental conservation law of the universe is the conservation of mass-energy. This means that the total mass and energy before a reaction in a closed system equals the total mass and energy after the reaction. According to Einstein's famous equation, E = mc2, mass can be transformed into energy and energy can be transformed into mass. This is not some exotic process, but in fact happens every time there is a reaction. Mass is therefore never conserved because a little of it turns into energy (or a little energy turns into mass) in every reaction.

Perhaps the only similarity between tornadoes and hurricanes is that they both contain strong rotating winds that can cause damage. There are many differences between tornadoes and hurricanes. The largest tornado every observed was 4 km (2.5 mi) wide, and most tornadoes are < 0.8 km (0.5 mi) wide.

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Answer:

water went into the cell because the concentration of water inside the cell was lower than the concentration outside the cell.

Answer:

D. Water went into the cell because the concentration of water inside the cell was lower than the concentration outside the cell