How many pounds of cigarette butts are littered worldwide every year?

1 answer:

6 0

Each year, an estimated 1.69 billion pounds of butts wind up every year. Cigarette butts are by far the most littered item in the world. They also present a potential serious hazard to nature. The butt itself is composed of two parts which are the plastic filter and the remnants of the used tobacco. The leftover tobacco may be biodegradable but the filters are made from a plastic material known as cellulose acetate-- a chemical compound that breaks down but never disappears.

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Can an epidemiologist who finds a correlation between the use of tanning beds and melanoma (an aggressive form of skin cancer) i

gizmo_the_mogwai [7]

Answer: No.

Explanation:

Studying about diseases, their effect, cause and the prevention of diseases is known as Epidemiology, and the scientists that studies Epidermiology and take it as a professsion are called Epidermiologists.

From the question; assuming the epidemiologist who finds a correlation between the use of tanning beds and melanoma (an aggressive form of skin cancer) in college-age women, the Epidermiologist can NOT conclude that tanning beds cause skin cancer BECAUSE the fact that the the use of tanning beds CORRELATE with melanoma (an aggressive form of skin cancer) in college-age women does not PROOF THAT tanning beds cause skin cancer.

===>That is, the fact that something correlate with another thing does not make it the cause.

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