How much oxygen does an average 50 year old tree provide?

Aprocess in green plants that involves the use of carbon dioxide and water in the production of glucose and oxygen using the suns energy

Select all that apply. why are common names not a good reference to a species? common names can be in different languages common names vary with location common names vary with culture common names vary with species color

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm