Ais a metrical foot having one accented or long syllable followed by two unaccented or short syllables.

How many moles of lead are in 1.50 x 10^12 atoms of lead? could you explain the answer as well and not just give it to me i am refreshing for finals and i need to know how to do it

Anyone who's in connections academy chemistry b have the factors that affect the rate of a reaction portfolio already done?

State one important difference between a physical change and a chemical change?