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Sedbober [7]
3 years ago
14

List the layers of Earth’s atmosphere in order of increasing altitude.

Biology
2 answers:
Sever21 [200]3 years ago
7 0

Answer:

The answer is A.

Explanation:

marishachu [46]3 years ago
6 0

Answer:

A

Explanation:

It is the correct answer

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With regard to the process of neural transmission, a refractory period refers to a time interval at which?
dangina [55]

Neurotransmitters. With the regard to the process of the neural transmission, a refractory period refers to the time in interval in which. the Positively charged sodium ions are to pumped back to outside a neural membrane.

Neurotransmitters are the chemical messengers that your body can't function without it. Their job is to carry out chemical signals (“messages”) from one of the neuron (nerve cell) to the next target cell. The next target of the cell can be another nerve cell, a muscle cell or the gland.

Fortunately, the seven “small molecule” are neurotransmitters (acetylcholine, dopamine, the gamma-aminobutyric acid (GABA), or glutamate, histamine, norepinephrine, and the serotonin) do the majority of the work.

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1 year ago
The majority of an individual's daily kilocalories should come from
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Carbohydrates

Carbohydrates are a type of nutrient are found in many foods including: fruits, vegetables, cereals, grains and sweets. Carbohydrates serve as a fuel, providing us with energy and playing a role in brain and organ functioning. Carbohydrates also provide fiber, that is important for excretory functions. There are many types of carbohydrates that have different effects on the body, such as: simple carbohydrates, complex carbohydrates, sucrose, fructose, lactose, etc. 
7 0
3 years ago
Any help? question in the photo.
BartSMP [9]

Answer:

The lymphatic system is a combination of circurlatory and immune systems

Explanation:

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5 0
1 year ago
How do advertisers treat teenagers as a separate target audience?
eduard
The advertisers treat teenagers as separate target audiences by having to advertise products that would attract the teenagers alone as the teenagers are not particularly attracted to things that they may target the adult audiences, that is why, they laid out products that would target the teenagers in means of separating the target audiences.
5 0
3 years ago
A second action potential cannot be generated until ________.
Bingel [31]

Answer:

"Action potential is a rapid rise and subsequent fall in voltage or membrane potential across a cellular membrane with a characteristic pattern."

It is the mode through which a neuron transports electrical signals.

Explanation:

  • Option - (a) is the best choice to choose from,
  • <u>The refractory period :</u>

A second action potential cannot occur until the membrane has recovered or reestablished, this is the refractory period. The absolute refractory period coincides with inactivation of voltage-gated sodium channels which makes it impossible to generate another nerve impulse.

5 0
3 years ago
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