<span>You will need to earn a certificate, diploma, associates degree or bachelors degree in the field of radiography</span>
~ C. Population
Population is all the inhabitants of a particular town, area, or country.
Parasites need a host. If a host tries to get rid of the parasite or kill it, then the parasite either has to leave the body or die.
Answer:
erosion and a, weatheri g and b