A) Mountains B) Atmosphere C) In soil D) Outer space
A) nitrogen B) carbon dioxide C) oxygen D) sulphur dioxide
A) 5 million years B) 5 billion years C) 500 hundred years D) 5 thousand years
A) more ships make the sea higher B) the ozone is warming the ocean C) melting glaciers add more water to the sea
A) industrial revolution B) great depression C) last ice age D) during the Jurassic Park era
A) sailing at Alcova Lake B) walking to school C) riding a bicycle D) riding in a car
A) sunspots B) tree rings C) size of fossils
A) sun B) sea C) fossil fuels D) wind
A) the greenhouse effect B) the hot house effect C) the thermocouple effect D) the biological decay effect
A) hydrogen B) dilithium crystals C) carbon dioxide D) oxygen
A) During severe thunderstorms B) Burning fuels C) Boiling water D) Planting trees
A) During severe thunderstorms B) Plants use it to make food C) To help fires burn hotter D) When humans breath it in
A) use fossil fuels to exist B) use no fossil fuels to exist C) use nuclear fuels to exist
A) becoming colder B) becoming warmer C) becoming more stable D) a better place to live
A) human B) solar sunspot C) ocean sea current
A) kinetic energy B) fossil fuels C) renewable energy sources
A) dilithium crystal B) hydrogen C) oxygen D) methane
A) all of these B) hurricanes C) floods D) tornado's
A) it is just a normal cycle of the earth's climate B) all of these C) that there is not enough evidence to say that climate change is bad D) politicians made up global warming to scare people into doing what they want you to do
A) true B) false
A) false B) true
A) true B) false
A) true B) false
A) true B) false
A) true B) false |