Science! 😀 Thanks for all your help! 😀

1.Which is an accurate description of clay soil?

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A.	low porosity, moderate permeability
B.	high porosity, low permeability
C.	moderate porosity, high permeability
D.	low porosity, low permeability

2.Why does the American southwest have deserts even though the rest of the country has temperate climates?

A.	The southwest receives more solar energy than the rest of the country at its same latitude.
B.	Warm ocean currents bring hot weather to the area.
C.	Warm winds from the east heat up the area and remove any moisture.
D.	The southwest is rain shadowed by the mountains of California.

3.Which piece of evidence did Alfred Wegener use to develop the theory of continental drift?

A.	deep-sea mountain ranges
B.	paleomagnetism of the seafloor
C.	the shape of the continents
D.	tectonic activity concentrated in certain areas

4.In which period on the geologic time scale are we currently living?