After the last ice age about 10,000 years ago, the earth's climate warmed and humans ____.
A. settled North America
B. went from being hunter-gatherers to farmers
C. left Africa
D. began to walk upright
E. invented gunpowder
Answer: B
You might also like to view...
________ make up the suspended loads of most rivers and streams
A) Silt and clay-sized, detrital grains B) Dissolved salts C) Sand and gravel that move during floods D) Dissolved ions and sand
What is LEAST accurate about the H group of climates?
A. Climate characteristics are based on altitude. B. All five climate types are within few upslope miles. C. It contributes to a wet windward face and dry rain shadow. D. There is an identifiable treeline in extreme instances. E. Climate characteristics are based on latitude.
Classify the following properties as physical or chemical.Can be made into thin sheets.
Fill in the blank(s) with the appropriate word(s).
What force is thought to be an important cause of plate tectonic motion?
a. Earth tides b. earthquakes c. thermal convection currents d. shear strain e. volcanic eruptions