Hi!
I'm pretty sure it is D, point of convergence.
Hope this helps!
Answer:
<em>Propoxur</em>
Explanation:
Propoxur is a well-known carcinogen. Using the EPA's cancer potency calculations and the results from our study, its found that daily lifetime exposure to the levels of propoxur residue found on dogs wearing flea collars could significantly increase the risk of cancer.
Ionizing radiation, for example X-rays, gamma rays and alpha particles
When a glacier melts, the ocean level rises therefore causing flooding and creating alien environments for those species that either live near the glaciers or on them.