Which of the following is the major concern about climate change if CO2 levels in the atmosphere exceed 450 ppm?
A. the effects would be irreversible
B. the earth would erupt into a huge fireball
C. all life on the planet would die
D. some oil companies will go out of business
Answer: A
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A ban on elephant poaching was removed in the late 1990s to
A) to supply ivory to the large Chinese market. B) to cull elephant herds which had grown too large C) allow local ranchers to protect their cattle herds. D) to allow some African states to sell down their inventories of ivory. E) provide needed monetary resources for developing economies in the region.
Which of the following modern countries of South America was NOT part of Gran Colombia?
A) Ecuador
B) Guiana
C) Venezuela
D) Bolivia
E) Panama
Describe and discuss the different types of fossil preservation. What will be an ideal response?
Which location on this figure from the Investigation is located on a convergent plate boundary?
A. 1 B. 2 C. 3 D. 4 E. 5