Answer:
it should be A or rain to be specific
Endoparasite. This is because it lives inside the host.
Immune system becuase ur immune system helps get rid of sickneess
a scientific model is a model used to test theories. sometimes scientist use rats as a scientific model
Out of the following choices, fossil fuels is the largest reservoir of carbon in the world. A couple of other reservoirs of carbon are dissolved in the ocean and in plants.
