Which of the following is a way in which surface mines impact an environment ecologically?
a. soil erosion
b. introducing new species of flora and fauna
c. creation of groundwater systems
d. all of the above

The diagram shows , , and . which statement can be proven true from the diagram? a. ∠dgb is supplementary to ∠ega. b. ∠dgb is supplementary to ∠cgb. c. ∠cgb is supplementary to ∠agd. d. ∠ega is supplementary to ∠egc. e. ∠egd is supplementary to ∠cgb.

The oldest seafloor in the atlantic ocean is located closest to the edge of the continents. explain how this age can be used to figure out when north america first began to separate from europe

The nations of indochina a. share a common langauge b. share a common history c. share a common religion d. none of the above