Stomach contracting to mix foods with enzymes
I think its A (hope i helped)
Probs a brick because it’s atoms are packed tightly as it is a solid
Answer:
Messenger RNA (mRNA) carries the instructions for making proteins. Like DNA, proteins are polymers: long chains assembled from prefab molecular units, which, in the case of proteins, are amino acids. A large molecular machine* called the ribosome translates the mRNA code and assembles the proteins.
The government, makes decisions for environmental issues.