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irina [24]
3 years ago
9

Humans must depend on the environment for their survival.

Biology
2 answers:
katrin [286]3 years ago
8 0

Answer:

TRUE.

Explanation:

Vikki [24]3 years ago
5 0
When the sun rises it gives us energy. we use rivers for drinking and we also use rivers for transportation. 
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Application of surface tension in respiratory system
likoan [24]

Answer:

The force of surface tension in the lungs is so great that without something to reduce the surface tension, the airways would collapse after exhalation, making re-inflation during inhalation much more difficult and less effective. Collapse of the lungs is called alectasis.

Explanation:

6 0
3 years ago
Which of the following statements describes a benefit of most cells being
azamat
C I used it and it worked
4 0
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Which of the following is an example of how a species may change over time?
allsm [11]

Answer: possibly A

Explanation: B an C are not it because they are more like mutations. D humans don’t always become immune.

5 0
3 years ago
As Georgia began to diversify its agricultural production in the years following World War II, these crops replaced cotton as th
Zepler [3.9K]
Out of the choices given, the crops that replaced cotton as the state's primary crops are pecans, peanuts, soybeans, and corn. Cotton is still the number one cash crop in the state of Georgia in 2016. The correct answer is D. 
5 0
3 years ago
The concentration of ions in the chemical environment surrounding the neurons must be tightly regulated for neurons to function
Artist 52 [7]

Answer:

B) astrocytes

Explanation:

Cells other than neurons that play an important role in the normal functioning of nervous system are called Neuroglia or glial cells.

Satellite cells, astrocytes, schwann cells and oligodendrocytes are all examples of glial cells.

⇒Satellite cells provide protection and nutrition to cells in peripheral nervous system ( peripheral nerves and ganglia).

⇒<em><u>Astrocytes</u></em> play an important role in central nervous system (brain and spinal cord). They provide protection to neurons, scavenge ions, form the blood-brain barrier and also maintain extracellular environment suitable for neuronal functioning.

⇒Schwann cells are found in the peripheral nervous system and myelinate the axons of neurons.

⇒Oligodendrocytes are found in central nervous system and produce myelin sheath which myelinates (insulates) axons  of neurons. Their function is similar to schwann cells but in the central nervous system.

From the above discussion it is clear that the answer is B) Astrocytes as these maintain a suitable chemical environment for the neurons.

3 0
3 years ago
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