The answer is A, because the phytoplankton is the foundation of this food web. Without your foundation, "the building will begin to crumble".
Answer:
Increased exposure to X-rays
Explanation:
X-rays shoot harmful radiation through your body, that's why when you go to the dentist or other places and they take a X-ray they give you a lead vest to protect your organs from unneeded radiation.
hope this helps :)
I would say the microscope....................
