They weigh about 1 ounce !
the weigh 1-7 ounces
You cannot weigh an area. Just as you cannot weigh a distance. (How much does one centimeter weigh?)
Quartz weigh about 1 and a half pounds
1 1/4
it needs half a litre a day
Capsicum annuum was created in 1753.
Yes
1 ounce
1 gallon
1 pound
1 pound