On an average annual basis the tropics receive more radiation from the sun than they send back as longwave radiation, and high-latitude areas send out more longwave radiation than they receive as shortwave radiation from the sun. How is this possible?
What will be an ideal response?
Answer: Excess heat absorbed in the tropics is advected in the atmosphere and ocean currents to high latitudes where it is radiated to space.
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The "sphere" that intersects with all of the other spheres is the
A) atmosphere. B) biosphere. C) hydrosphere. D) lithosphere.
Anaerobic respiration
A) occurs without oxygen and may produce methane gas or ethanol. B) is a type of photosynthesis that does not require carbon dioxide. C) typically results in major increases of biomass. D) produces oxygen, which is used to break down glucose and other plant sugars.
A ________ is the spread of something over a given study area
A) concentration B) density C) distribution D) pattern E) diffusion
A broad, flat surface that extends to the edge of a stream channel is called a:
a. point bar b. floodplain c. natural levee d. crevasse splay