Children go from being able to speak about 500 to 600 words at age 2 to saying over words at the end of the period.

The 1.5 mile run test and the 12 minute swim test are considered as what kind of test ?

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 dependent variable in galileo's experiment?

When were the first laws enacted in the united states to protect farm animal from cruel treatment? select one or more: a. 1480 b. 1792 c. 1828 d. 1886