Which of the following is not a factor that is increasing the risk of a widespread famine before 2050? A. water scarcity B. overpopulation C. agricultural shift to biofuel production D. increased crop diversification

The effects of genetic drift are more pronounced in smaller populations. True or False

Subsaharan Africa shares which one of the following physical traits with North America?

Which of the guianas is not an independent country

Which of these is safe to give to a person who may be suffering from hypothermia

Rainbow trout is non - native to the United States. However this species is breeding with the native gula yltrout acientistrecently observed that the hola trout were becoming exitinct what is the cause of their extinction

in which glossary would you expect to find a listing for the critical vocabulary words that are highlighted in each section

A chart is a type of graph true false

Which Old World crop introduced by the Spanish most dramatically increased demand for African slaves in the Caribbean? a. Wheat b. Indigo c. Sugar d. Rice

What do stream terraces represent? Put another way, what were stream terraces before they became a terrace?

The American Revolution inspired the French Revolution. True False