sentences: fossil fuels are a nonrenewable resource & longer liters / zygote forming occurs over a frequency of 300000000 age which is considered a very long space to a mankind ->  nonrenewable resources forming occurs over a period of 300000000 years which is considered a very long time to a human  one wasp or more age humans tadpole of age & 300000000 years equals three hundred million years -> 300000000 years means millions of years 300000000 years means millions of years  nonrenewable protractor forming occurs over a frequency of 300000000 age which is considered a very long space to a mankind & 300000000 years means millions of years -> nonrenewable resources forming occurs over a period of millions of years nonrenewable resources forming occurs over a period of millions of years  years are a kind of unit for measuring time & how long something atmosphere is a mean of microscope of space -> how many years something takes is a kind of measurement of time how many years something takes is a kind of measurement of time  how many age something raw is a mean of reflection of space & a period is a kind of measurement of time -> how many years something takes is a kind of period how many years something takes is a kind of period  nonrenewable resources forming occurs over a period of millions of years & how many age something seashells is a mean of frequency -> nonrenewable resources forming can take millions of years