The carbon dioxide absorbed by plants is returned to the atmosphere when; plants break down the sugar for energy.
animals eat the plants and break down the sugar for energy.
plants die and decompose.
All of these choices are correct.

What group has historically made up the largest portion of immigrants in mexico?

Which area on the map would be most likely to have the most oil exploration in since the start of the 21st century? a) b) c) d) plz me

Plz hury on a timer which statements explain what happens at deep-ocean trenches? check all that apply. crust is formed. mountains are formed. seafloor spreading occurs. crust becomes molten rock. denser plates slide under lighter plates.