Why are precipitation and cloud associated with low pressure systems, and clear conditions associated with high pressure systems?
Air converges and rises in low pressure systems, cooling and forming clouds. Air sinks and diverges in high pressure systems, warming and causing the atmosphere to remain clear of clouds.
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Distinguish between AC and DC. When you plug a light bulb into a wall socket, where do the electrons come from?
What will be an ideal response?
Fish are part of the benthos
a. True b. False
Which of the following is NOT true of lands near the North and South poles?
A) they are perpetually covered with ice or the ground is permanently frozen B) The polar regions are unsuitable for planting crops C) few animals can survive the extreme cold D) few human beings live there E) there is not enough light to make survival possible
In tropical regions, coasts can be modified by biological activity such as the construction of ____________
____________, which are linear masses of calcium carbonate assembled from and by multitudes of coral animals Fill in the blank(s) with the appropriate word(s).