The layer in the atmosphere where humans and other life exists is called the:
Answer: Troposphere
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Which of the following describes where tornadoes are usually observed?
A. behind cold fronts B. ahead of cold fronts C. on the windward side of mountains D. near large bodies of water
This cloud sometimes produces "mare's tails"
What will be an ideal response?
Photochemical smog is produced
A) when conditions for acid rain are at their peak. B) when secondary pollutants are present. C) only in industrial areas. D) when sunlight transforms certain gasses and aerosols.
If global climate change causes rain and temperature patterns to shift dramatically in a region,
A) plate tectonic action may dramatically change. B) ocean levels could suddenly drop. C) the region's biodiversity may change catastrophically. D) the region's biodiversity may suddenly increase.