A) Atmosphere B) In soil C) Outer space D) Mountains
A) sulphur dioxide B) oxygen C) nitrogen D) carbon dioxide
A) 5 million years B) 500 hundred years C) 5 billion years D) 5 thousand years
A) the ozone is warming the ocean B) melting glaciers add more water to the sea C) more ships make the sea higher
A) last ice age B) industrial revolution C) great depression D) during the Jurassic Park era
A) sailing at Alcova Lake B) walking to school C) riding in a car D) riding a bicycle
A) tree rings B) size of fossils C) sunspots
A) wind B) fossil fuels C) sun D) sea
A) the biological decay effect B) the hot house effect C) the greenhouse effect D) the thermocouple effect
A) carbon dioxide B) hydrogen C) oxygen D) dilithium crystals
A) During severe thunderstorms B) Planting trees C) Burning fuels D) Boiling water
A) During severe thunderstorms B) Plants use it to make food C) When humans breath it in D) To help fires burn hotter
A) use nuclear fuels to exist B) use no fossil fuels to exist C) use fossil fuels to exist
A) a better place to live B) becoming colder C) becoming more stable D) becoming warmer
A) solar sunspot B) human C) ocean sea current
A) renewable energy sources B) fossil fuels C) kinetic energy
A) methane B) hydrogen C) dilithium crystal D) oxygen
A) floods B) hurricanes C) tornado's D) all of these
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) false B) true
A) false B) true
A) false B) true
A) true B) false
A) true B) false
A) false B) true |