Which of the following if responsible for releasing nutrients and minerals back into the soil?
a. white mushrooms
b. an eagle
c. wheat
d. rabbit

Wind energy is plentiful in regions with vast open spaces it is a non polluting renewable resource what could be an economic factor that makes the use of this resource less feasible then non renewable resource even in such regions

List two modern organisms that have pentameral symmetry

Which muscle is responsible for inhalation ?