<span>I believe the correct answer is option A. Plant's roots grow longer as a result of primary growth. The increase in length of the plant and its roots is referred to as primary growth. It is a result of cell division in the shoot. Hope this answers the question.</span>
<span>toxic chemicals is a major cause of water pollution.
In most cases, the toxic chemicals came from the residual from production process after companies done making their product.
Rather than safely create a method to dump this, many companies decided to recklessly throw them away in water source (such as river or lakes) which eventually create the water pollution.</span>
Answer:
B: endoskeletons not A cause humans would be beetles then C isnt the answer because then we wouldnt be humans at all
Explanation:
Answer: ACh
Explanation:
The Acetylcholine is an organic chemical that plays a major role in the brain and other parts of the body. It functions by transmitting messages from the brain to the various parts of the body.
It also helps in retaining memory as it enhances the alertness when we wake up. This hormone also helps in the sustaining attention and learning memory.
If the neurons stops producing acetylcholine then the brain does not retains information and is associated with memory loss.
Hence, the correct answer is Option B