About 80 percent of earth’s volume is made up of
a. crust.
c. inner core.
b. mantle.
d. outer core.

B. mantle. hope this helps!

The virus is considered to be are living item since they have hereditary material dnas or rnas. they can imitate and change. they respond to boosts, for example, radiation, chemicals, and warmth. they have antigenic properties. they are proficient to duplicate with a same hereditary constituent.