Please select the word from the list that best fits the definition Smoking contributes to air pollution.

After studying french for 5 yearscin school, i was shocked to discover when i went to france that i couldn't even get a glass of water without a lot of sign language what is the author main point

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Layer r contains a well-known index fossil that is 100 million years old. based on this information and the principle of superposition, a. layers t and m are older than 100 million years, and layers x and g are younger than 100 million years. b. layers t, m, x, and g are all older than 100 million years. c. layers t and m are younger than 100 million years, and layers x and g are older than 100 million years.