The most commonly used source of geographical material is [a(n)]: a. old maps b. travel logs c. folk lore d. encyclopedia e. satellite information

It is reasonable to assume that nations with a low total fertility rate (tfr) and a modest amount of population growth are in

Which of the following is defined as combinations of soil particles that vary in size and shape?

Some gamma ray bursts are hypothesized to come from mergers of neutron stars or black holes. if this hypothesis is correct, what else should we in principle be able to detect from such mergers? a. gravitiational waves b. x-ray bursts c. significant disruption of gas thousands of light-years away in the surrounding galaxy d. an "afterglow" of bright visible light, lasting for weeks