What effects have the historically low human population densities and the presence of several endemic diseases among humans in Africa had on the survival of African wildlife?

Compounds which are found naturally in the earth are called: a. ores b. composites c. rocks d. minerals

The largest internal organ in the frog is the

[ou.01jthe greatest speed with which any physical object moves is 300,000 km/soundsec. which of the following has a speed of 300,000 km/sec? a. light in water b. light in vacuum c. sound in air. d. sound in water