Englishfor English speakers
emission
Noun
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Emissions are the gas, light, sound, etc. that are sent out.
Just over half of the total emissions is due to human activity.
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Emission is the sending out of gas, light, sound, etc.
The change prevented the emission of 51.8 million tons of carbon dioxide.
activity
Noun
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When a person or animal has activity, it is active or lively.
The sleeping dog did not show much activity.
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When you have a function to do, you have an activity.
The child has many after-school activities.
She participates in women's rights activities.