A(n) such as oxygen or carbon, is a pure substance.

it is a pure substance

Explanation:

All elements are pure substances because they are made up of only one type of atom

answer; ///(74) degrees is your answer..

dec 23, 2016 - a load of bricks weighing 680 n a distance of 10 m across a parking lot. if if the worker pushes the cart with a constant force of 209 n, what work= force x distance = 220 n x 10 m = 2200 n.m = 2200 j i don't know where the person got it from, but the initial part, work= force x distance me.