On sooory I send u answer in msg
Answer:There are 11 nonessential amino acids.
Explanation:amino acids are monomers of proteins.proteins are made up of carbon,hydrogen, oxygen and nitrogen.there are 20 amino acids found in proteins.
Plants cam produce all the amino acids they need but animals cannot.
Essential amino acids are those that animals cannot produce by themselves and so need to obtain from their diet.there are 9 in numbers.
Non-essential amino acids are produced by the animals.they are not necessarily non-essential as the name indicates.they are 11 in numbers.
The second stage of prenatal development begins at about two weeks after conception. at this point, the growing bundle of cells is called an embryo.
Answer:
The frequency of the sound.Hope this helps btw
Explanation:
You would need to know how fast the sound waves go through the air.