Answer:
Variola virus.
Explanation:
Smallpox is caused by a virus named as Variola virus.
Carbon Hydrogen and Oxygen
Answer:
B
Explanation:
Plants need chlorophyll to make food.
Because,
Animal cells can't make their own food
And photosynthesis never happen in animal cells
polymerase is the enzyme that joins individual nucleotides to produce the new strand of DNA
