An agent, such as radiation or chemical substance, which causes genetic mutation.
Answer:
You answer is A
Explanation:
A combination of high salinity and low temperature near the surface makes seawater dense enough to sink into the deep ocean. Hopefully this help if it didnt my bad
Valley-Glacier
Landslide-gravity
Frost wedging-ice
Canyon-river
I think this is correct, sorry if I’m wrong :)
