Which of the following gives an example of microscale motion?
A. winds blowing past a chimney
B. winds blowing through a city
C. winds on a surface weather map of North America
D. winds on a 500 hPa chart
Answer: A
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When lightning strikes, nitrogen molecules, N2, and oxygen molecules, O2, in the air react to form nitrates, NO3-, which come down in the rain to help fertilize the soil. Is this this an example of oxidation or reduction?
A) The formation of nitrates is an example of oxidation. B) The formation of nitrates is an example of reduction. C) Both. The nitrogen is oxidized as it reacts with the oxygen while the oxygen is reduced. D) Neither. Although the bonds of both the N2 and O2 molecules are broken to form the NO3-, neither oxidation nor reduction occurs.
Ninety percent of Earth's garbage is generated in/on ________
A) cities B) farms C) suburbs D) rural landscapes E) industrial facilities
Weather forecast that predicts that the future weather will be the same as the present weather is called
a. ?a steady-state forecast. b. ?the trend method. c. ?a persistence forecast. d. ?the analogue method. e. ?an extended weather forecast.
What influences the shape of the cone of depression?
A) the rock type and the depth of permeability B) the elevation of the aquifer compared to the well depth C) balance between pumped water and ground-water flow toward well D) the size of the aquifer