During the Middle Ages the Vikings invaded france
Answer:
positive & negative shapes
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Answer:
Explanation:
Protein function is directly related to the structure of that protein. A protein's specific shape determines its function. If the three-dimensional structure of the protein is altered because of a change in the structure of the amino acids, the protein becomes denatured and does not perform its function as expected.
i got all of that from google
B. Concerto
A prelude is a piece that comes before another work, usually a musical. And a cantata is apiece meant to be sung
