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Sergeeva-Olga [200]
3 years ago
12

The world's food supply is evenly distributed. true or false

Biology
2 answers:
IgorC [24]3 years ago
7 0

False

should be the answer


DanielleElmas [232]3 years ago
5 0
False because there are starving pepole
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An inhibitory stimulus has occurred. B. Chemically gated potassium channels have opened. C. Excessive potassium has diffused out
andrezito [222]

Given question is incomplete. Complete question has been attached.

Answer:

C. Excessive potassium has diffused out causing hyperpolarization.

Explanation:

The nerve action potential can be divided into following stages:

  • Stimulus is detected by the cell in resting stage.
  • Sodium channels in the membrane open from where influx of sodium ions occur which is called depolarization
  • After a while, sodium channels close and potassium channels open from where efflux of potassium ions occur which is called repolarization.
  • The membrane potential further lowers due to continous efflux of potassium ions which is called hyperpolarization.
  • After a while potassium channels close and membrane returns to its resting stage.

In the given figure, stage 4 depicts hyperpolarization because the membrane potential has dropped to the lowest point below -70mV. Hence, option C is correct.

7 0
3 years ago
What is the main difference between aerobic respiration and anaerobic respiration?
garri49 [273]
The main difference between aerobic respiration and anaerobic respiration is that aerobic using oxygen in the reaction, while anaerobic does not.

Even though both aerobic and anaerobic respiration releases energy, but their reactants and other products are completely different.
For example in human, in aerobic respiration, oxygen and glucose reacts to give out carbon dioxide and water; while in anaerobic respiration, which usually happens during exercise when oxygen is not enough, the muscle cells uses only glucose to produce energy and lactic acid.

Therefore, the main difference is where aerobic uses oxygen, and anaerobic don’t.
7 0
3 years ago
A significant threat or danger to health that requires immediate correction or closure to prevent injury is:
skad [1K]
Make sure you're safe and if u get hurt severely, rush you a hospital
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3 years ago
Most farms were once tilled by animals pulling plows. Today, mechanized plows can quickly till large areas of land. How have mec
GarryVolchara [31]

Answer:

The correct answer is <em><u>"Mechanized plows allow larger areas to be farmed by a single farmer."</u></em>

Explanation:

Mechanized plows allow large areas of land to be plowed quickly. A further benefit is that mechanized plows do not fatigue as people and animals do. Because of this, mechanized plows help contribute to the increasing size of modern farms.

3 0
3 years ago
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Explain how the data supports your hypothesis.
Viktor [21]

Answer: It is verified by testing it. If the data supports the hypothesis, then we consider the hypothesis to be verified and true. If however, the data does not support the hypothesis or refutes it, then the hypothesis is in trouble, and we have to come up with a different hypothesis to explain the observations.

Explanation:

5 0
3 years ago
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