Which percent of Earth's atmosphere does carbon dioxide gas make up? (pon) about 21 percent

less than 1 percent

more than 99 percent

about 78 percent

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What body of water is the second cataract of the nile river submerged under

Compare the quantity in column a with the quantity in column b. pa p a is tangent to the circle at a. column a column b ap a p ax a x question 4 options: the two quantities are equal. the quantity in column a is greater. the relationship cannot be determined from the information given. the quantity in column b is greater.