What are some sources of electricity?
If you have a sea current, you can produce electric.
Biomass is also en energy source. Bioethanol is a fuel that is used in Brazil. Biodieses can be produced from vegetable oils, animal fats, or restaurant greases. It is a renewable energy source.
Although it is not renewable, some countries use coal-fired power plants to produce electric.
Some countries use natural gas type power plants to produce electricity. Natural gas is cleaner (compared to coal).
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Some sources of electricity include fossil fuels (coal, natural gas, and oil), nuclear energy, renewable energy sources (solar power, wind power, hydropower, geothermal energy, and biomass), and emerging technologies such as tidal and wave energy.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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