The asthenosphere and lithosphere are parts of earth’s
a. geosphere.
b. biosphere.
c. hydrosphere.
d. atmosphere.

They are part of the geosphere, which is comprised of the crust,mantle outer core and inner core. The asthenosphere is part of the upper mantle, while the lithosphere is the solid outer part of Earth which includes the crust.

How is this even a question?

Historians are researchers of the past or people who understand the history of people. with this field, they must possess qualities such as being unbiased, patient, efficient reader, has a knack for logic and critical thinking and reasoning, disciplined, open-minded, resourceful, with good analytical ability, good reasoning skills and problem solving!