The earth's atmosphere makes it unique because:

it can sustain human and plant life

other planets do not have an atmosphere

it controls the weather

A combination of these

Read the article titled "About the WTO." When was the World Trade Organization created, and what are its main activities? (Site 1)

O que você sabe a respeito das características econômicas do continente africano?

Most of the people Latin America can trace ancestry back to these three groups. 1 - Native American 2 - European 3 - Australian 4 - Asian 5-American 6-African

What was the significance of Pinckney's Treaty? (A) It created a territory in an area still claimed by Great Britain. (B) It settled disputes with Great Britain over military outposts.

During the Devonian Period, animals that could live on land began to evolve. These animals still spent part of their lives in the water. What were these animals called? reptiles dinosaurs amphibians trilobites

Historically, most Inuit people made a living by farming and herding. T or F?

What have scientists inferred about the outer portion of the earth's core by monitoring the time of arrival of P - and S-waves at monitoring stations around the world? A. It is a dense solid. B. It is liquid-like. C. It is organic material. D.

What would happen if the pacific plate continues to move?

What advantages did adopting a single currency, the euro, give Europeans? (Site 1)

When is the Sun highest in the sky at noon for people living in Sydney, Australia? (A) Spring equinox (March 21) (B) Summer solstice (June 21) (C) Winter solstice (Dec. 21) (D) Fall equinox (Sep. 21)