Determine if the phrase in bold applies to only volcanic rocks, only plutonic rocks, both types of rocks or niether type of rock. Have texture
A. Both volcanic and plutonic igneous rocks
B. Only plutonic igneous rocks
C. Only volcanic igneous rocks
D. Neither volcanic or plutonic igneous rocks
Both volcanic and plutonic igneous rocks
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A steep pressure gradient:
A) produces strong winds. B) produces light winds. C) is only possible in the tropics. D) would be depicted by widely spaced isobars.
Practitioners of shifting cultivation usually begin the process of clearing a new field when
A) the government tells them to do so.
B) they are certain the last frost is past.
C) the soil of the old field is depleted of nutrients.
D) the women vote to do so.
E) seasonal and annual rainfall patterns shift.
A glacial valley drowned by rising sea level is
A. a tombolo B. a headland C. a fiord D. an estuary
E-waste often leaches hazardous levels of which of the following metals?
A) lead B) uranium C) gold D) platinum E) silver