Explain why the following lines are crucial to physical geography: North Pole, South Pole, Tropic of Capricorn, and the International Date Line
What will be an ideal response?
Answer: The North and South Poles are at the ends of the Earth's axis of rotation. Lines of latitude: solar energy distribution. Lines of longitude: time. Plane of the ecliptic: orbital plane of Earth. Equator: center of the migrating declination of the Sun.
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What is the most productive photosynthetic plankton apart from Cyanobacteria?
a. Dinoflagellates b. Coccolithophores c. Diatoms d. Ciliates
Compared to the use of fossil fuels for generating electricity, wind energy ________
A) requires no investment B) is more consistent C) is not renewable D) is more widely used in the United States E) produces no exhaust pollutants and contributes little to global climate change
How do changes in glacier volume on land affect sea level?
What will be an ideal response?
Barchans _____
a. are a type of longitudinal dune b. have slip faces oriented parallel to the average wind direction c. have arms that point downwind d. are typically stabilized by vegetation e. are composed of gravel