Which of the following statements is TRUE?
A) Earth emits more energy per area than the Sun.
B) The Sun essentially functions as a blackbody.
C) The Sun is a type of black hole.
D) Earth radiates energy into space.
E) The Earth system receives more solar energy than the Earth system emits into space.
Answer: B
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Violence flared in 2007 and 2015 in the western Chinese province of Xinjiang between Han Chinese and which ethnic group?
A) Uyghurs B) Pashtuns C) Uzbeks D) Muslims E) Mongols
Which of the following is a true statement concerning energy flow in ecosystems?
a. The biomass usually increases with each successive trophic level. b. There is energy loss within each successive trophic level. c. There is an increase in energy when an organism at one trophic level feeds on another. d. The greatest amount of energy and biomass is concentrated at the heterotroph level.
Why is it that most top predators (e.g., lions, tigers, bears, and wolves) have extremely large territories and are relatively rare?
What will be an ideal response
Using the forces of the marketplace to encourage businesses to reduce pollution and resource waste is called ____________________
Fill in the blanks with correct word