Since 1900, greenhouse gas emissions associated with burning fossil fuels and deforestation have warmed Earth's atmosphere by approximately ________
A) 5°C B) 0°C C) 1°C D) 8°C E) 3°C
C
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The typical El Niño circulation causes deep ocean water to rise to the surface off the coast of Peru, delivering nutrients that support fish populations
Indicate whether the statement is true or false.
Some examples of the enduring impacts indigenous people have had on the cultural landscape of North America are
A) Place-names, food preferences, clothing styles, environmental attitudes and spiritual belief. B) Environmental attitudes, music, housing styles, and place-names. C) Spiritual beliefs, common words, clothing styles, and medicines. D) Modern artistic styles, clothing styles, housing styles, and food preferences.
The latitude at which the noon Sun is directly overhead is known as the solar ____
a. declination b. insolation c. perihelion d. analemma e. axis of inclination
Today, it takes about ______ Calories of energy to produce about 1 Calorie of food.
a. 2 b. 20 c. 55 d. 90 e. 125