Answer:
Soil health is fundamental for a healthy food production. It provides essential nutrients, water, oxygen and support to the roots, all elements that favor the growth and development of plants for food production
Explanation:
Should be A. Species have changed over time.
Variation means difference in genetic makeup between individuals within a specie.
The liver is the...................... gland in the body.
Answer: The liver is the<u> largest</u>
gland in the body.