Ques: If gases from burning coal and oil dissolving in water in the atmosphere causes polluted rain, then gases from burning coal and and oil dissolving in the atmosphere can cause what? Answer choices: - polluted rain - disease - humidity - thunderstorms - snow - contamination - Temperature - harmful substances
Ans: polluted rain

Ques: If beavers require great amounts of water to survive, then which animal requires great amounts of water to survive? Answer choices: - amphibians - Frogs - bullfrogs - Beavers - Jellyfish - mussels - trout - sharks
Ans: Beavers

Ques: If sand is formed by weathering, then what process creates sand? Answer choices: - Water expanding - beach - evaporation - friction - silicon dioxide - weathering - dunes - rainfall
Ans: weathering

Ques: If all life relies on a relatively narrow range of something you can measure with paper strips, then what relies on a relatively narrow range of something you can measure with paper strips? Answer choices: - Length - voltage - all life - mammals - humans - Most plants - agriculture - animals
Ans:
all life