Estimate the annual reduction in pounds (or kilograms) of CO2 released into the atmosphere if a home that uses 1,500 kWh for lighting replaces the current system with one that is 20% more efficient.
What will be an ideal response?
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The air inside a room is at a temperature of 35°C and has a mixing ratio of 7.6 g/kg. After reaching saturation, if the temperature of the room continues to decrease for one more hour, approximately how many grams of water vapor (per kg of air) will have had to condense out of the air to maintain a relative humidity of 100%?
What will be an ideal response? _________ g/kg
With movement of Gondwana over the South Pole, extensive glaciation occurred during the
a. Carboniferous. d. Silurian. b. Devonian. e. none of the above c. Permian
Persistent pesticides decompose quickly and present less of an environmental hazard.
Answer the following statement true (T) or false (F)
Mechanized agriculture is typical of undeveloped tropical regions.
Answer the following statement true (T) or false (F)