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.

In a short paragraph, explain why Roman Catholicism is the dominant religion in Latin America. What kinds of historical factors have contributed to so many Latin Americans adopting this religious heritage?

Which of the following statements is most accurate? A Human activities have no effect on the physical environment, and the physical environment has no effect on human activities. B.

Suppose a star has the same luminosity as our sun (3.8*1026watts) but is located at a distance of 10 light-years. what is its apparent brightness?

What might happen to the fisheries if upwelling stopped

The solar system is a diagram of the

Describe the Great Barrier Reef. Why is this site considered one of the world's most important ecosystems?

The diameter of a circle is 5.5m. Find the area of the circle. Give the exact value

Which of the following clouds has the highest base? a. stratocumulus b. cirrocumulus c. altocumulus d. nimbostratus

What kind of map will show you where communist governments are located in the world?

Russia is located in a ___ biome