The geosphere refers to the crust mantle core all of the above, at the same time.

crust

Explanation:

The geosphere is the sphere over the earth in terms of all the lithos i.e., the water sphere, the ice sphere, and the atmosphere and all the boundaries of this sphere reaching up to the magnetosphere. Thus the geosphere can exchange the different mass and show the energy fluxes. It may include all the interior of the earth's mineral and landforms and the processes that shape them.

2cool and cold temperature unless its an ever green tree 

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!