Why is the supply of oil in Texas decreased from its supply fifty years ago? A.
Oil takes sixty years to replenish itself.
B.
Oil is a nonrenewable resource.
C.
Oil is a renewable resource.
D.
Oil wells are no longer being dug.

What was one effect of the emancipation proclamation on african americans in the north?

Tori is researching for her blog post about how wearing sunblock can prevent skin cancer, and she finds a page about her topic on the united states centers for disease control website at is this a reliable site for tori’s research? yes, because it is presented by a college or university no, because it is a personal opinion about the subject yes, because it is run by a governmental organization no, because it is intended to advertise a certain product

What's the main idea of document 4 in "how democratic was andrew jackson? "