In the figure below, AC and BD are
diameters of circle R-
What is the arc measure of BDC in
degrees?
155°

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

Which characteristics of temperature and salinity have the greatest influence on the movement of deep-ocean currentsa. warm and low salinityb. cold and high salinityc. cold and low salinityd. warm and high salinity

Which of the following countries was not an ally to the u.s.s.r. during the cold war? west germany poland romania cuba