Answer to Question 1
As cumulus clouds grow, they shade the ground from the sun, which cuts off surface heating and upward convection. Without the continual supply of rising air, the cloud begins to erode as its droplets evaporate. As the cloud dissipates, surface heating begins again and regenerates another thermal, which becomes a new cumulus.
Answer to Question 2
We could expect to find status, cirrostratus, altostratus, or nimbostratus clouds to form in a stable atmosphere. Since air in a stable atmosphere strongly resists upward vertical motion, these clouds will tend to spread out horizontally if forced to rise. If clouds form in this rising air, they will also spread horizontally in relatively thin layers and usually have flat tops and bases.
Some of the bacteria that can fix atmospheric nitrogen, converting it into a form usable by plants.
Rhytidoplasty. This is a common form of plastic surgery in which the skin is pulled and sutured to d
Asthma. (a) A normal bronchiole. (b) An asthmatic bronchiole. During an asthma “attack,” the bronchi
Darwin observed that tortoises on islands that are arid tend to have saddle-shaped shells, allowing
Instructions for Completing the CMS-1500 (02/12) Claim Form Continued
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