The fact that celtic languages are europe’s oldest, supports the idea that

Explain why components that are naturally found in air can be considered air pollutants.

Witch of the following volcano hazards is made up of rocky particles about the size of a grain of sand

Triangle xyz is translated 4 units up and 3 units left to yield triangle x'y'z' what is the distance between any two corresponding points on triangle xyz and trianglex'y'z' ?