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the orange and yellow sunsets we see are caused by
the sun's light passing through a greater thickness of atmosphere and scattering
What is ozone depletion and what causes it? Can this be stopped or reversed? How?
Ozone depletion is the thining of the Ozone layer. The CFC in spray cans, air conditoners, and electrical cleaners cause Ozone depletion. It can be stopped by stopping the use of CFC.
Wilson "snowflake" Bentley
the Vermont farmer who photographed hundreds of snowflakes in the early 1900's
wind is caused by
unequal heating of the earth's surface. The warm air then rises, and the cold air rushes is to take the warm airs place.
global winds and areas of no wind
polar esterlies, prevailing westerlies, trade winds, hores latitudes, and doldrums
phases of the cell cycle
interphase, (beginning) prophase, metaphase, anaphase, telophase, (mitosis) and cytokinesis (end)
parts of chromosome
centromere (middle), coiled chromatin, and chromatids (symetrical "legs" of coiled chromatin)
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