The northern lights are best defined as a. a colorful display of decorative house lights used in the north b. colorful lights that flare around the sun and are visible only in arctic regions c. colorful lights created when particles from the sun interact with the earth’s atmosphere d. a green light that is visible only in north america and created by air pollution from around the world

Which country is currently the most populated country in the world? a. india b. china c. mongolia d. indonesia

Impressions of tropical swamp plants were observed on rocks in polar regions. the impressions were dark black imprints, which means the fossils are examples of ( 1 ) the fossils tell us that polar regions ( 2 ) ( 1 ) a. carbonization b. mineralization c. trace fossils ( 2 ) a. had tropical plants that can grow in ice b. might have had a diffierent climate in the past c. will have abundent vegitation

Which of the following insects is a decomposer? a. mosquito. b. caterpillar. c. beetle. d. none of the above.