Answer:
C. From the air in the stratosphere
Explanation:
I hope it will help
There are 20 different type of monomers present in proteins.
Amino acids are in reality the monomers of proteins. Out of the 20 amino acids,
only 9 are considered essential. The other 11 are of little use to the humans.
The nine of the essential amino acids required by humans are Tryptophan,
lysine, Histidine, Isoleucine, Valine, Threonine, Phenylalanine, Methionine and
Leucine. The amino acids combine with one another to form different types of
proteins. These proteins satisfy a number of our physical functional needs.
Answer:
Graphite is soft because it has weak inter molecular forces between its layers.
The answer is 2 because if he is going at 12mph that he is going 6mph in 30min. So 8-6=2
Largest to smallest: barium, calcium, selenium, oxygen