Answer:
To give a demonstration of (something, such as a product or procedure), to show how (something) works, is prepared, or is done.
Explanation:
Toxic chemicals are mostly found in waste sites where they dump old chemicals and with that, that could cause health problems because they could either dump it into the oceans where the life is or they will burn it causing pollution.
Hope this helped :)<span />
Answer:
respitory circulatory systems
Explanation:
I imagine it would be nursing and residential care facilities