A. There are double bonds present in the fatty acid chains of a polyunsaturated fat but none in a saturated fat.
That is the right answer >_>
1 hormones
2 external stimuli
Answer:
A and C
Explanation:
A. because when we humans are burning maybe our refuse or garbage it will go up to the ozone layer causing air and then it will then result to carbon dioxide.
Answer:
Weathering look at the text book mate