What was the central idea of Thomas Malthus?
A) Laws often target poorer people.
B) Cities develop before central governments.
C) Emigration alleviates population pressure on a region.
D) Population growth will outstrip the food supply.
E) Population doubling rates are impossible to calculate.
D
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When it first formed, the Sun was 75 times more luminous than it is now
a. True b. False
Rust belt areas have resulted partly from
A) abandoning urban industrial areas as workers left for better jobs. B) increasing severity of acid rain in large industrial areas. C) increased reliance on domestic industry and the decline of imports. D) federal funding that favored northern U.S. industrial areas over southern areas.
________ continental margins typically exhibit wide, extensive, continental shelves
Fill in the blank(s) with correct word
Determine if the phrase in bold applies to only volcanic rocks, only plutonic rocks, both types of rocks or niether type of rock. May form from rhyolite magma
- Both volcanic and plutonic igneous rocks
- Only plutonic igneous rocks
- Only volcanic igneous rocks
- Neither volcanic or plutonic igneous rocks