Which law represents a balanced chemical equation?
a.
avogadro’s hypothesis
b.
ideal gas law
c.
law of conservation of mass
d.
newton’s first law of motion
e.
newton’s second law of motion

How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by

Which sound characteristic is not affected by the relative motion of an object

Difference between series and parallel circuits