Answer:
Factor 1 is a human induced factor and Factor 2 may be influenced by both nature and human factors.
Explanation:
Humans build the buildings, and for example a meteorite can cause different atmospheric changes
Answer:
the water is diffrent because it is now a gas not a liquid
Explanation:
Explanation:
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Answer:
4
Explanation:
Speed=Distance/time, so 20/5 divide time divided by distance. so the answer is 4.