Seafloor spreading is a process that occurs at mid-ocean ridges, where new oceanic crust is formed through volcanic activity and then gradually moves away from the ridge. Seafloor spreading helps explain continental drift in the theory of plate tectonics.
The correct answer will be A
If 42 is a diploid cell, then a haploid would have 21
Answer:
Use latex condoms every time you have sex.
Avoid sharing towels or underclothing.
Wash before and after intercourse.
Get a vaccination for hepatitis B.
Get tested for HIV.
Explanation:
its common sense