Answer it’s the left ventricle
The papillary muscle is in the left ventricle if the arrow is looking for more specific
Reason
See attached picture
I think b. Proteins are polymers of amino acids is the correct answer
The cell cycle is an ordered series of events involving cell growth and cell division that produces two new daughter cells. Cells on the path to cell division proceed through a series of precisely timed and carefully regulated stages of growth, DNA replication, and division that produces two identical (clone) cells.
sorry if it is wrong
All of these are adaptations used to enable pr otists move except for B.spores , because they are used in asexual reproduction.
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B. a volcano that erupts in blasts of the pyroclastic matter. D. would be wrong because the shield volcano can have explosive eruptions but they are generally quiet