fifty percent of the gases making up the atmosphere are found below _________
10 miles(16.2km)
6.5 miles(10.4km)
3.5 miles (5.6km)
8 miles(12.8km)
3.5 miles (5.6km)
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What is thermal inertia?
a. The increase of heat energy b. The propensity for a substance to resist temperature changes c. The properties that moderate changes in temperature d. The amount of heat energy needed to raise the temperature of one gram of a substance by 1? Celsius
Why is iron not abundant in the ocean?
a. It is trapped in the Earth's crust. b. It is held in sediments. c. It is nearly insoluble in oxygenated water. d. It is not very reactive.
Of the Gulf states, only Qatar and Iran have substantial areas suitable for cultivation
Indicate whether the statement is true or false
The hydrologic cycle for the Earth system as a whole can be considered a closed system because there is no gain or loss of water
a. True b. False Indicate whether the statement is true or false