Frontal precipitation is most characteristic of the ________ latitudes
What will be an ideal response?
Answer: middle
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What is the main difficulty in trying to eliminate chlorinated fluorocarbons from the atmosphere?
A) They are very stable and take a long time to decompose completely. B) They are too light and blow away. C) They do not absorb ultraviolet radiation. D) all of the above E) only A and B
A group of concerned citizens was worried that their local water supply might be contaminated with naturally occurring arsenic. They decided to purchase a home arsenic monitoring kit and tested well water in their local area. After analyzing the data (shown below), the citizens wrote a letter to the editor of a local newspaper arguing that their data proved that the water supply is contaminated. They demanded immediate government action to address the problem. The local water board again tested the wells using their official water testing instruments and found average concentrations of 8.1 +/- 0.2 micrograms per liter. Assume the water board's reported measurements are the accepted value. The maximum permitted level of arsenic in water supplies is 10 micro-grams per liter. src="https://sciemce.com/media/4/ppg__1020817191133__f1q512g1.jpg" alt="" style="vertical-align: 0.0px;" height="119" width="470" /> What is the most reasonable action for local government to officials to take in this situation?
A. Require the water board to test a third set of well samples.
B. Test the water samples using both testing methods.
C. Require the water board to create a plan to reduce arsenic levels in the well water.
D. Ignore the data collected by the concerned citizens.
At night, low clouds weaken the atmospheric greenhouse effect
a. True b. False
Latitude and longitude lines are a common coordinate system and measured in degrees, minutes, seconds
a. True b. False Indicate whether the statement is true or false