A geologist studies all of those.
The International Date Line is found at 180 degrees longitude either east or west. :D
Blue whale, mushroom - heterotrophs
rosebush, algae, pine tree - autotrophs
B.
Mitosis involves somatic cells only.
C. Deforestation is where the land is converted into a NON-FOREST use.
A. Desertification is when farming, overgrazing, climate change, and/or seasonal drought change farmland into land that cannot support plant life.
Soooooo, the answer should be A. Desertification.
and yes, C would be wrong