I'm on the same question. I think the answer is False because you can take step to prevent environment risk factors such as applying sunscreen, avoiding violence and avoiding second-hand smoke. Hope this helps.
Answer:
It has varying degrees of thickness.
Explanation:
The oceanic crust of earth is different from the continental part of the earth's crust. It is much thinner which is about 5 km to 80 km in thickness. It is described as having much similarities with the mantle of the earth which is also very varying in thickness.
Explanation:
Answer:
O and H
Explanation:
I don't know the explanation
20000 nanograms sorry i cant answer the second question
Answer:
The answer should be A. Hope this helps!
