B, because in all truth and honesty, stress is truly inevitable. Also, use process of elimination. I hoped that helped :)
Answer:
B. Marine
Explanation:
There are still things we don't know the ocean
They were able to show how to produce the best plant with the right amount of light that the plant is exposed to.
They were also able to show how to draw blood plasma from the blood by studying its response to various stimuli.
Natural world beore its use if we consider world before darwin theory, the world was occupied by various individual such as dinasours and primitive plants
