Negative environmental impacts from oil and natural gas production may occur due to
a. release of oxides in combustion emissions.
b. accidental spills at extraction sites and during transport.
c. erosion and landslides during withdrawal of resources.
d. improper storage and disposal of spent fuel.

Which statement describes john tuzo wilson’s contribution to the theory of plate tectonics? he proposed that plates carry parts of the seafloor. he theorized that pieces of earth move for a limited time. he suggested that the asthenosphere is broken into segments. he observed seafloor cracks similar to existing cracks in the continents.

Soweto was the site of one of the that swept across south africa in the late 1970s. in his effort to end apartheid, desmond tutu turned to . the united states responded to south africa’s apartheid policy in the 1980s by .

The earth rotates on its axis and revolves around the sun every