The axis of rotation of the Earth is inclined how many degrees away from being perpendicular to the sun's rays?
A) 23.5°
B) 66.5°
C) 45°
D) 90°
Answer: A
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Hydrothermal vents typically form chimneys of _____
a. basaltic rock b. granitic rock c. carbonate d. mineral deposits e. sediments
A principal practice of sustainable agriculture is
A) sensitive land management. B) limited use of chemicals. C) better integration of crops and livestock. D) use of pesticide-resistant seed. E) All but the use of pesticide-resistant seed are principal practices.
Which of the following is not an example of an action an individual can take to help mitigate against climate change?
A) placing dishes in dishwater without pre-washing B) improving regional land use practices C) eating locally sourced foods D) using energy efficient light bulbs E) driving a vehicle with high fuel economy
In the deep ocean, oozes made of dead planktonic organisms are found on the ________
A) abyssal plains and in deep trenches B) continental rise C) continental shelf D) flanks of oceanic ridges and rises E) steep areas of the continental slope