Ultimately, all scientific knowledge comes from:
Select one
O a. textbooks
O b. experimentation
<u>O c. experimentation & </u><u>observation</u><u> </u><u>✓</u><u>✓</u><u>✓</u>
O d. observation
Blood pressure will decrease.
Answer:
B. Rocks, fossils, climate
Explanation:
Rocks :it can make sense if the whole world was a whole rock the... It looks like a puzzle but with some missing pieces
Fossils:of long extinct creaters
Most macromolecules are polymers of simple molecules (monomers). There is not a great variety of simple molecules, but their structure determines the macromolecule. For example, proteins are macromolecules synthesized from amino acids. There are only 20 amino acids and a great number of proteins made of different combinations of those 20 amino acids.
