What are some human-made features

The northern two-thirds of illinois, in the midwestern United states, was last covered by glaciers only, 14,000 years ago. the rest of the state was last covered by glaciers over 100,000 years ago.

Regional Geography lays emphasis on the distinctiveness of a particular place and the characteristic or activities that make up that location.

The bacteria and fungi that break down the plant and animal materials are classified as

What would happen if the earth were not a convecting system

Which question cannot be answered by science?

5 facts about the atlantic provinces of canada

The greenhouse effect happens when greenhouse gases like carbon dioxide and methane absorb heat that has been reflected off the Earth and re-radiate this heat back towards Earth. What examples of greenhouse gases are given in the text above?

What is seafloor spreading?

Describe the story that anthropologists think the bones and tools they have discovered reveal about prehistory

Which country has the greatest % of land affected by desertification?