I'm pretty sure some they are People adapt to their environment, changes to the earths enviroment can be benificial, Changes to the earth environment can be harmful, people change their environment, I'm sorry if I'm wrong on some of these. I hope this helps also :)
<span>a reference point for measuring elevation</span>
Answer:
Mesa<em> </em>~<em>broad</em><em> </em><em>mountain</em><em>,</em><em>flat</em><em> </em><em>top</em>
<em>Archipelago</em><em> </em>~<em>many</em><em> </em><em>islands</em>
Butte ~<em>steep</em><em> </em><em>sides</em><em>,</em><em> </em><em>flat</em><em> </em><em>top</em>
Delta<em> </em>~<em>triangular</em><em> </em><em>shape</em>
For Earth to make one complete revolution around the Sun takes 365.24 days. This amount of time is the definition of one year.
Effects of Revolution of the Earth: Certain areas are tipped towards, or away from, the sun at different times of the year. This tilting causes the four seasons of the year. The tilting also creates opposite seasons in the Northern and Southern Hemispheres.
Are there any answer choices?