Both algae and the fungus are benefited from their relationship in a lichen. this relationship is one of commensalism parasitism predator-prey mutualism

What molecules does hemoglobin decay into over time

Which statement describes compounds a. compounds are made of one type of atom. b. compounds cannot be represented by models. c. compounds are represented by chemical formulas. d. compounds cannot be broken down into simpler forms.

In the first stage of the nuclear fuel cycle the spent fuel must be transported, processed, and disposed of properly. true or false