Give an example of a native element What will be an ideal response?


old/silver/copper/diamond/graphite.

Environmental & Atmospheric Sciences

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Which of the following is a principle to interpret relative ages?

a) The youngest rock is on the bottom b) a geologic feature is older than any rock or feature it crosscuts c) a younger rock can include pieces of an older rock d) an older magma can bake or metamorphose younger rocks

Environmental & Atmospheric Sciences

A rising parcel of unsaturated air cools at the ________

Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences

Which statement is true with regard to internal waves?

A) ?Internal waves usually move very fast. B) ?Internal waves form at the boundary between water layers of different densities. C) ?Internal waves are only generated by wind energy. D) ?Internal waves form at the junction between air and water.

Environmental & Atmospheric Sciences

Arithmetic density is

A) the total amount of land in a country. B) the amount of land available for farming. C) the amount of land available for people to build houses on. D) the total number of people in a country. E) the total number of objects in an area.

Environmental & Atmospheric Sciences