Clouds can form when air containing sufficient water vapor rises in the atmosphe

Question

Clouds can form when air containing sufficient water vapor rises in the atmosphere. As air parcels rise they _____ which causes _____. This can lead to saturation. Once the air is saturated _____ or deposition occurs and a cloud begins to form. A. compress; adiabatic cooling; condensation B. expand; adiabatic cooling; condensation C. expand; adiabatic cooling; evaporation D. expand; adiabatic warming; condensation E. compress; adiabatic warming; condensation Which of the following statements regarding the forces that govern winds in the atmosphere is/are true? A. The Coriolis Force does not affect the movement of air in the upper atmosphere (meaning well above the earth's surface). B. Changes in pressure over some distance result in a force that initially sets air in motion. C. Neglecting the effect of latitude, the Coriolis Force becomes stronger as the wind speed decreases. D. Both B and C. E. Both A and B. The blue color of the sky is caused by... A. Scattering of sunlight by clouds in the atmosphere that are large compared to the wavelength of visible light. B. Absorption of ultraviolet radiation by ozone. C. The reflection of blue light off of the oceans. D. Scattering of sunlight by gas molecules in the atmosphere that are small compared to the wavelength of visible light. E. Nitrogen radiation blue light.

Explanation / Answer

Question 13:

B: As air rises it expands, the expansion cools the air. The cooled air then reaches the 100% saturation level where the water droplets starts condensing.

Question 14:

E. Coriolis force affects the wind direction and not wind speed. The change is pressure creates a positive gradient which in turns creates the flow of air.

Question 15:

D. Scattering of sunlight by gas molecules in the atmosphere that are small compared to the wavelength of visile light.

The blue light scatters most so we see sky in blue color.

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