Radioactive isotopes are used to

a.

determine the absolute age of rocks.

c.

determine how rocks are formed.

b.

determine the relative age of rocks.

d.

determine how rocks are changed.

Explain how remittances from migrant workers create purchasing power in other countries. Why do migrant workers send remittances. What happens with this money

The maori people can also be classified as

What makes trash more likely to end up in some areas of the ocean? a. toxins b. currents c. oil spills d. upwelling

Why are the average temperatures in the middle of the United States warmer than the coasts?

Which of the following scenarios would most likely result in the decrease of a country's total fertility rate

Which of the following is true about ecosystems?

1. When governments seek a favorable trade balance, they want A to raise taxes on exports B imports to equal exports C to export more than they import D to import more than they export

What is the longest street in ontaro

3) Which of the following may move and cause an earthquake to occur? A: Asthenosphere B: Lithosphere C: Plate D: Mantle

What statement best describes the relationship between power and authority? A. Authority is a type of power used only in democracies. B. Authority is the ability to use power legitimately. C.