Answer: The answer is option C
Explanation:
Option c- Beta carotene had not yet been absorbed by the body in sufficient quantities to influence the amount of vitamin A being produced. Beta carotene is an organic, red-colored pigment that is found to be abundant in plants and fruits. it is a member of the Carotenes. Beta carotene is an inactive form (precursor) to vitamin A.
The birds are unable to get calcium from the soil because the calcium has been leached out by the acid rain.
atleast 1,000 times or more.
Answer:
True
Explanation:
A weight is a measure of the pull of gravity on an object, but mass is the matter in an object