People can obtain groundwater by drilling a well
a.
above the water table.
b.
into an aquifer.
c.
into the unsaturated zone.
d.
into the impermeable layer.

The body is protected against harmful flu viruses by

Parasitism could be considered a form of which of these types of relationships? -mutualism -commensalism -predator-prey -mimicry

What is the function of the somatic nervous system? connects the brain and the spinal cord to the rest of the body carry signals to the muscles and glands includes all nerves controlling the muscular system and external sensory receptors controls internal organs like the heart and bladder