Kilogram...
Gram, unless you have a ruler the size of a truck, then it might be a kilogram :)
No.
Trucks don't fly, so would not go "high."
It is kilogram^2/Metre^2 or (Kilogram/Metre)^2
1 kilogram. 1 kilogram = 1,000 grams
2 percent of 50 kilograms is 1 kilogram.
A kilogram is greater because it takes ABOUT 2 pounds to equal 1 kilogram.
2 .2 pounds
1/2 kilogram= 500 grams
yes
of course not