An oil spill from a tanker is an example of
a. sludge dumping.
c. point-source pollution.
b. trash dumping.
d. nonpoint-source pollution.

Ahypothesis that has been tested again and again , with similar results each time may become a law , true or false

Microorganisms aren’t all decomposers; in fact, many act as producers or primary consumers in an ecosystem. how do microorganisms that act as producers benefit the rest of an ecosystem in terms of energy transfer? what about microorganisms that act as primary consumers?

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol