Which of the following is not a reason why there were no major explorations into the interior of Africa before the 1800s a limited river B tropical diseases
C hostile natives
D lack of transportation

Why does physical weathering speed up the processes of chemical weathering? a) physical weathering requires abundant water, as does chemical weathering. b) physical weathering produces fresh surfaces for chemical weathering to attack. c) chemical weathering can occur only on small surfaces, not large ones. d) chemical weathering requires salt, which is provided by salt wedging.

What is the hottest recorded temperature on earth

Which of the following insects is a decomposer? a. mosquito. b. caterpillar. c. beetle. d. none of the above.