Answer:
B. Marine
Explanation:
There are still things we don't know the ocean
Answer c is correct great job
Answer:
Yes
Explanation:
Because uranium decays by alpha particles, external exposure to uranium is not as dangerous as exposure to other radioactive elements because the skin will block the alpha particles. Ingestion of high concentrations of uranium, however, can cause severe health effects, such as cancer of the bone or liver.
Answer:
The correct answer is D. allopatric speciation
Explanation: