What are mid-ocean ridges.
a) found in all of earths oceans
b) found only in the pacific ocean
c) located mostly along coastlines
d)long deep ocean trenches

What are chlorofluorocarbons made of

The body is protected against harmful flu viruses by

Some mining processes involve removal of large areas of earths surface in the mined region this practice causes severe environmental damage by allowing which natural process to accelerate in the affected areas? a.precipitation b.erosion c.migration d.condensation