Answer:
The mitochondria is the powerhouse of the cell
The correct answer is A.primary, because a primary landform is a natural feature on earth's surface.
I think A makes the most sense..
Answer:
An infective agent that typically consists of a nucleic acid molecule in a protein coat, is too small to be seen by light microscopy, and is able to multiply only within the living cells of a host.
Answer:
values and beliefs —— example: Americans believe if a person works hard,they will be successful.
Communication example:latin cultures speak spanish.
Food example: hot dogs are an American food.
Religion example: Christianity.
Traditions and customs example: in america,families gather and eat.