Please answer ASAP >_< What does xylem do in a plant?
•transport food
•transport water
•prevent water loss
•perform photosynthesis

Which one of the following gases is not an important component of soil?

Achemical reaction is done in the setup shown , resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?

True or false exosphere is the least dense