Proteins are made of Amino acids so the answer is Amino Acid (C)
The Role of blastula is Blastula is this and that and Yh they should gather everyday to stage the Animals
1. 243, 729, 2187 the first one looks like 3 is being multiplied each time.
2. 32,16, 8 each number is divided by 2 to get the next number.
The answer is c on a different question
Gases have no defined shape or volume.