Which of these best describes Earth's crust?

inner layer consisting two parts

middle layer density decreases with depth

top portion called atmosphere, thickest layer

thinnest under the oceans and thickest under continents

Outline what the tri-component model is

How does live in Australia show that the country was once a colony of the United Kingdom

What technologies did the people of ancient India practice?

Question 1: What was the Dark Age? Explain why was it called as such.

How can the development of aptitudes be encouraged? a. positive reinforcement c. negative reinforcement b. tangible rewards d. isolation from negative influences

Why was Roe v. Wade a controversial case? A. It challenged bans on birth control being used by married couples. B. It supported the legality of separate but equal facilities for different races. C.

The President may decide to resume duties after an illness by informing Congress that no inability exists, but that decision can be challenged by a. Congress. b. the Vice President. c. the Vice President and a majority of the Cabinet. d.

Why did Europeans refer to the continents on the other side of the Atlantic ocean as the Americans

A young child who is spanked after running into the street learns not to repeat this behavior. in this case, the spanking is a positive reinforcer. negative reinforcer. positive punishment. negative punishment.

Why is it important to identify the dates of artifacts?