This energy source also provides us with products such as ink, eyeglasses, and tires. a. coal b. crude oil c. natural gas d. methane

The correct answer is option B. "crude oil".

Explanation:

Crude oil was one of the first energy sources used for the production of electricity. Besides of its use as energy source, crude oil provides us with products such as ink, eyeglasses, and tires. Lower crude oil is used for some inks used for printing purposes; eyeglasses and sunglasses are considered petroleum based products for its need of crude oil; and crude oil is the primary raw material for the manufacturing of tires.

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explanation:

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"1. it should be, it has been for about 20 years, and it's really not much different in the end than breeding animals to have particular traits. there are always concerns about genetically engineered animals/plants affecting the environment in unexpected negative ways, but i can't think of an example where the fears didn't turn out to be baseless.  

first, as you point out, it would be a great advance in pharmacology, to be able to tailor drugs and their doses to me. the pros involve better medical treatment. the cons involve privacy issues like insurance companies denying coverage to people with genetic risk factors. looking at dna markers wouldn't affect the frequency of genetic diseases, but it would allow detection of them earlier. and ok, actually i suppose that if people used this information to avoid having children with genetic diseases, some might decrease in frequency."