the surroundings or conditions in which a person, animal, or plant lives or operates
environment
15
to deal with, have responsibility for, or be in charge of
handle
15
extremely unkind or cruel; severe
harsh
15
absence of
lack of
15
a position of amount, quantity, volume
level
15
A vertebrate whose body temperature is regulated by its internal heat, and that has skin covered with hair or fur and glands that produce milk to feed its young.
mammal
15
gas that enters the blood through the lungs and travels to the heart to be pumped via arteries to all body cells