If the man and the ball travels 90 m in 15 seconds, what is their average
speed?

Which sentence best describes the formation of igneous rock? a- lava on the surface dries up and makes arock b_melted rocks cools and forms crystals c_rocks under tremendous heat and pressure d_magma is melted rock underground

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

One similarity and one difference between an element and a mixture of elements