In countries with a negative natural increase rate, such as former states of the soviet union, the high crude death rate has been attributed in part to

a lack of water.
pollution.
pestilence.
famine.
evolving diseases.

What school are you from and what state are you from?

Soweto was the site of one of the that swept across south africa in the late 1970s. in his effort to end apartheid, desmond tutu turned to . the united states responded to south africa’s apartheid policy in the 1980s by .

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