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Why does it take a long time for polluted groundwater to become pure again?
groundwater is replenished slowly
How long will it take humans to deplete the ozone layer at your current rate?
It will not finish now. However if we curb the use of CFC's, it can be replenished.
Why are some aquifers replenished and some take time to replenish?
Because they're replenished by rain water, maybe it may not rain often in that location?
How is oxygen replenished in nature?
Plants take in carbon dioxide then when they take that they give off oxygen
What can't quickly be replenished?
cant be quickly replenished
Which of the following is a limited resource, which can take longer to be replenished than it takes to be used up?
Drinking water
What is a energy source that is replenished continually?
This is renewable energy, but some renewable energy is replenished at intervals rather than continually. For example solar energy is only replenished in daylight hours.
How is fresh water on earth replenished?
Freshwater is replenished by watercycle so it's renewable but total amount water in our world is limited-it cant be replenished so doesn't it come under
Can batteries be replenished by heat?
NO!
Can coal be easily be replenished?
no
A good reason why gas is non-renewable energy?
It takes extremely long (in the order of a million years) for the natural gas to be replenished.
How can the ozone be replenished?
Ozone layer can be replenished by avoiding the use of CFCs. In the absence of these chemicals, the ozone layer will replenish itself.
