The calculation of quantities in chemical equations is called
a. stoichiometry
c. percent composition
b. dimensional analysis
d. percent yield

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has:

Which method would be best to separate a mixture of sand and gravel