Multiple Choice
Why is it generally warmer at the equator than at the poles?
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20. Heat and Temperature
Temperature
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How does altitude affect temperature in different latitudes?
A
Temperature increases with altitude at all latitudes due to higher solar radiation.
B
Temperature remains constant with altitude at all latitudes.
C
Temperature decreases with altitude only at the equator.
D
Temperature decreases with altitude at all latitudes due to lower air pressure.
Verified step by step guidance1
Understand the relationship between altitude and temperature: As altitude increases, the air pressure decreases, which generally leads to a decrease in temperature. This is because the air becomes less dense and cannot hold as much heat.
Recognize that this phenomenon occurs at all latitudes: Whether you are at the equator or the poles, the decrease in air pressure with altitude results in a decrease in temperature.
Consider the lapse rate: The rate at which temperature decreases with an increase in altitude is known as the lapse rate. On average, the temperature decreases by about 6.5 degrees Celsius for every 1,000 meters (or about 3.6 degrees Fahrenheit per 1,000 feet) you ascend in the troposphere.
Acknowledge exceptions and variations: While the general trend is a decrease in temperature with altitude, local weather conditions, time of year, and specific geographic features can cause variations in this pattern.
Conclude with the correct understanding: The correct statement is that temperature decreases with altitude at all latitudes due to lower air pressure, which is a fundamental concept in atmospheric science.
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