Earth's age is best estimated by: A. chronologies developed using biblical sources B. best guess C. using fossils D. using radioactive isotope pairs to date the oldest rocks.

The amount of freshwater on the planet is not increasing. T OR F

Why is a country with a low literacy rate less likely to have access to healthcare? A. Endemic diseases are less prevalent in countries with low literacy rates. B. Healthcare workers refuse to see patients unless they can demonstrate literacy. C.

List down some of the human activities that deplete the ozone layer?

What is considered the worlds oldest organized religion?

What was the typical role of women in hunter-gatherer societies? A. hunting B. fishing C. gathering plants and berries D. Women had no role in acquiring food.

Why do the North and South pole experience seasons differently than the rest of the planet? Why do they have periods of continuous daylight or continuous darkness?

According to the International Astronomical Union, which of the following is one of the criteria for an object to classified as a Planet? Select all that apply.

What physical features are the five largest cities in the u. S. Near?

Because of his failed economic plan, Mao Zedong later opened China up to foreign trade. True False

Your friend tells you that our orbit is so special that it is at just the right distance from the sun for us to be at the right temperature for life to flourish. He says that if we were even ten miles closer to the sun, we would burn up.