Answer:
america
Explanation:
Answer:
seawalls .
Explanation:
Answer: Fossil Fuels
Explanation:
The definition of fossil fuels is a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms. This fits the examples perfectly, therefore all of the examples are fossil fuels.
Petroleum, coal, and natural gas are non-renewable energy sources. These consume and deplete over time and are the largest contributors to world energy consumption, though they are not sustainable in the long term. Renewable energy sources, which are replenished naturally, offer a more environmentally friendly and sustainable alternative.
Petroleum, coal, and natural gas are all examples of non-renewable energy sources, which are the largest sources of energy. These resources, including fossil fuels and nuclear power, are consumed and depleted over human timescales. Non-renewable sources like these contribute to about 81% of the world's energy consumption.
Fossil fuels, such as the ones listed, transform potential energy into thermal energy through chemical reactions when burned. This thermal energy can be harnessed for uses like heating buildings or operating machinery. Non-renewable energy sources, while currently dominant, have environmental drawbacks such as the release of carbon dioxide and are not sustainable in the long term due to their finite nature.
On the other hand, renewable energy sources like wind, water, geothermal, and solar power are replenished by natural processes and do not deplete over human timescales. These sources currently account for a smaller proportion of the world's energy consumption, but are the focus of significant research and development efforts due to their lower environmental impact and sustainability.
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b. geocentric
c. retrograde
d. heliocentric