Answer:
D
Explanation:
In 1970, in response to the welter of confusing, often ineffective environmental protection laws enacted by states and communities, President Richard Nixon created the EPA to fix national guidelines and to monitor and enforce them
Angel island:
West coast
Established as a military facility used primarily by immigrants from the Pacific rim
Immigrants where held for long periods of time before being allowed into the US
Currently part of the national
It is D) 1940. France fell to the Nazis during the Battle of France (1940).
Thomas Jefferson objected to Alexander Hamilton's proposal for a national bank because: he interpreted the Constitution very strictly, and believed that the Constitution did not give the national government the power to establish a bank.
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<span><span><span>The crust: low density silicate rock, 5-70 km thick. There are two distinct types of crust.<span><span>Continental crust is variable in thickness and composition. Thickness ranges from 5-70 km. The composition ranges from mafic to felsic.</span><span>Oceanic crust is uniform in thickness and composition. It is 5-6 km thick and is mafic in composition.</span><span>The differences in thickness and density between continental and oceanic are responsible for the existence of ocean basins due to isostatic balance as the crust floats on the more dense mantle.</span></span></span><span>The mantle: high density, ultramafic silicate rock which can flow when subjected to long duration stresses. The mantle is over 2900 km thick and makes up over 80% of the volume of the Earth. The mantle is not molten!</span></span><span>The core: iron and nickel, liquid outer region with a solid center. The core is just over half the diameter of the Earth.</span></span>
