What type of rocks form when pieces of rocks, minerals and remains of living things become solid?
a igneous
b extrusive
c metamorphic
d sedimentary

Write the balanced equation for a reaction between aqueous nitric acid (hno3) and solid lithium metal (this is a single replacement reaction)

Why do cells appear different in distilled water than they do in 10% salt water?

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of