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7 questions
Which process(es) release carbon dioxide into the atmosphere?
respiration
combustion
photosynthesis
feeding
Which process(es) take carbon dioxide out of the atmosphere?
respiration
combustion
photosynthesis
feeding
What type of organism receives carbon present in dead plants and animals?
producer
primary consumer
secondary consumer
decomposer
Which of the following is/are greenhouse gases?
carbon dioxide
water vapour
methane
nitrogen
Which of the following is/are true of greenhouse gases?
They absorb sunlight
They form the ozone layer
They absorb heat energy
They absorb long-wave radiation
Which is true of Earth's surface?
It reflects most sunlight that hits it as light energy
It re-emits sunlight as short-wave radiation
It reflects most sunlight that hits it as heat energy
It re-emits sunlight as long-wave radiation
Which of the following is true of The Greenhouse Effect?
It is a completely natural process
It is an artificial process that has been naturally speeded up by humans
It is a natural process that has been artificially speeded up by humans
It is a completely artificial process
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