Ameasurement must include both a number blank

... AND A UNIT .

If I tell you that I have a piece of string that's 71 long, you still have no idea what I'm talking about until I tell you if that's millimeters, centimeters, inches, meters, feet, yards, smoots, kilometers, leagues, miles, furlongs, nanometers, Mach-seconds, chains, parsecs, light years etc.

atomic = no of protons.

mass number-atomic number = neutron number

the journeys of marquette, joliet and la salle a) new france expand.

all three of these explorers explored the midwest and the area around the great lakes, which they subsequently claimed for france.

this was a big portion of territory and expanded new france which before then only consisted of quebec province in northeastern canada