Which is the most correct statement regarding oil consumption in the united states between 1950 and 2008?

How does an angiosperm prevent self pollination

What is the problem in this article? what solution does the article propose?

The source of energy shown in the image is (renewable, non renewable, polluting) a drawback of building a dam is that (it will destroy ecosystems, it requires fossil fuels, it won’t be useful for irrigation)