What gas makes up the largest percentage of the earth’s atmosphere?

If there are laws or rules in a society and they are in conflict, how do we decide which takes precedence?

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.

During which era in earth's history were the first insects? mesozoic precambrian cenozoic paleozoic