Answer:
A
Explanation:
Primary productivity, in ecology, the rate at which energy is converted to organic substances by photosynthetic producers.
In small intestine millions of micro villi are present for greater absorbption of digested food.
Answer:
360,000 kilometers
Explanation:
Because the moon is the closest to the earth and sorry if it was no help and it wrong but i think its 360,000 kilometers.
Mitosis is the term i believe you're looking for
Answer:
A healthy ear is filled with air
Explanation: