The barred owl has been moving into the habitat of the spotted owl. This could lead to a reduction in the spotted owl population if what?

What was the land like over 500 million years ago? what was under the sea?

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

How do you date a sample of rock that you suspect as being one of the earliest on earth