Why is the city of Phoenix, Arizona experiencing land subsidence?
A. overpumping of aquifers
B. collapse of old mines
C. earthquakes
D. weight of newly filled reservoir
Answer: A
You might also like to view...
Blow on your hand with your open mouth and you feel the warmth of your breath. Pucker your lips so your breath expands as you blow and your breath is
A) warmer still. B) cooler. C) neither warmer nor cooler.
What is NOT a method of solving resource problems?
A) changing societal goals B) changing consumption patterns C) changing technology D) altering population numbers E) all of the above are methods of solving resource problems
You take a block of granite and heat it to 1000 degrees Kelvin, and it glows bright red. If you then heat it to 1200 Kelvin, how might it look different?
A) It would be brighter and more white. B) It would be about the same brightness but white. C) It would be much brighter and red. D) None of the above; it would have melted, and once it melts, it will no longer emit.
The scientific method is a method for
A) making hypotheses. B) gaining new knowledge. C) making observations. D) testing theories. E) designing experiments.