________ are discordant bodies that form when magma is forcibly injected into fractures that cut across bedding surfaces and other structures

A) Batholiths
B) Sills
C) Necks
D) Dikes


Answer: D

Environmental & Atmospheric Sciences

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Soil undergoes chemical deterioration when its ____________________ are depleted causing its productivity to decrease

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

What is the current regulatory standard for gasoline mileage of automobiles in the United States?

A) 30.5 miles per gallon B) 22 miles per gallon C) 33 miles per gallon D) 27.5 miles per gallon E) 35 miles per gallon

Environmental & Atmospheric Sciences

The crude birth rate is the number of live births per ____ persons in a given year.

A. 50 B. 100 C. 500 D. 1,000 E. 100,000

Environmental & Atmospheric Sciences

________ are sometimes built perpendicular to shore in an attempt to protect beaches that are losing sand from longshore drift.

A. Groins B. Tombolos C. Breakwaters D. Inlets E. Headlands

Environmental & Atmospheric Sciences