Wich of fowllowing is not a force that would act on a skateboard rolling down a ramp 1.gravity 2.air resistance 3.rolling friction 4.statuc fraction

Pbco3 –> pbo+ co2. how many liters of carbon dioxide gas is produced from the decomposition of 32 grams of lead (ll) carbonate?

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?

Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate