The efficiency of the atmosphere in retaining heat is referred to as the __________
Fill in the blank(s) with correct word
greenhouse effect
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Distinguish between the two types of pastoralism
What will be an ideal response?
Discuss strategies that can help ensure that economic development and environmentalism benefit, rather than endanger, local communities.
What will be an ideal response?
It is estimated that __________ percent of the world’s languages are endangered.
A) 50 to 90 B) 20 to 50 C) 90 to 95 D) 15 to 25
Robert Blumenschine and Curtis Marean's study of scavengers indicates that early members of the genus Homo __________
a. probably hunted because scavenging affords so few calories b. could easily have survived as scavengers c. probably relied solely on gathered vegetable matter d. relied heavily on cultivated grains