Sixty-five million years ago, according to some scientists, an asteroid bigger than mount everest slammed into north america,  which, causing plant and animal extinctions, marksthe end of the geologic era known as the cretaceous period.

What are some characteristics of a free enterprise economy?

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

This is so important ugh its 25 points