More than any other region, Sub-Saharan Africa is noted for its wildlife, especially large mammals. What environmental and historical processes explain the existence of so much fauna?
What will be an ideal response?
Why are there relatively fewer large mammals in other world regions? The survival of wildlife reflects, in part, the historically low human population density and the fact that sleeping sickness and other diseases have kept people and their livestock out of many of the areas inhabited by large mammals. In addition, many African peoples have developed various means to successfully
coexist with wildlife. In other regions, human encroachment on habitat of large mammals, coupled with unsustainable hunting (e.g., the hunting of bison in North America), has resulted in a tremendous reduction of large mammals.
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Which of the following intermolecular forces best describes why molecules like sucrose (which has many OH groups) are very water soluble?
A. dipole-dipole B. induced dipole-induced dipole C. hydrogen bonding D. ion-dipole E. dipole-induced dipole
________ are responsible for the heat generated in the interior today
A) Meteorite impacts B) Magma plutons C) Short-lived radioactive isotopes D) Nuclear reactions
"Night is winter" is best applied to the ________ climate
A) Af B) Am C) BWk D) Csa E) Dfa
Provide a reason why some scientists believe the Pleistocene is over and a reason why other scientists believe we are now in an interglacial stage. Why hasn't this controversy been solved?
What will be an ideal response?