Which of the following is a heterogeneous mixture
air
salt water
steel
soil
i think it's soil but i'm not positive

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

In 2002, the rare earth elements mine in mountain pass, california was closed because

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.