What is one piece of evidence that supports the Big Bang Theory?
A. The rotation and revolution of Earth
B. The universe formed over 13 billion years ago
C. The universe is cooling down
D. A weak signal of cosmic microwave background radiation
Ans: C. The universe is cooling down
Environmental & Atmospheric Sciences
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For electric power that costs 10 cents per kilowatt hour, the cost of operating a 110-V heater that uses 20 A for 10 hours is
A. $2.20. B. $5.50. C. $0.22. D. $0.55.
Environmental & Atmospheric Sciences
What part of the water cycle requires direct input of solar energy?
A) precipitation B) condensation C) evaporation D) infiltration
Environmental & Atmospheric Sciences
The asthenosphere sits atop the lithosphere.
Answer the following statement(s) true (T) or false (F)
Environmental & Atmospheric Sciences
Each Pacific Decadal Oscillation phase tends to predominate for 20 to 30 years before switching to the other phase
a. True b. False
Environmental & Atmospheric Sciences