Alternative energy sources are always dependent upon favorable weather conditions. select the best answer from the choices provided t f

The difference(s) between the grand canyon and valles marineris is/are: (a) the grand canyon was formed by water, but valles marineris was not. (a) valles marineris is much longer than the grand canyon. (c) valles marineris is much wider than the grand canyon. (d) valles marineris has large volcanoes near it. all of the above

Based on the information in the graph, what can you conclude about humans in the world in general?

Fossil fuels such as coal, oil, and natural gas were formed over millions of years by