Which of the following example shows the influence natural gas has had on human activity?
a: natural gas use to generate electricity has increased efficiencies for business owners.
b: natural gas use to generate electricity has increased cost of heating homes.
c: natural gas use to generate electricity has decreased the amount of electricity people use.
d: natural gas use to generate electricity has decreased the amount of goods businesses can produce.

Natural gas use to generate electricity has increased efficiencies for business owners.

Explanation:

Among business owners in the remote who have gotten access to electricity through natural gas have expanded their premises. A research done for people living in the country side shows that availability of electricity has also enhanced security.

Most people are now able to venture into businesses that use electricity e.g,. welding

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in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".