Which is heavier,100kg of feather or 100kg of coal.
Which is heavier,100kg of feather or 100kg of coal.
Which is heavier,a kilo cotton or a kilo of tomatos?
which of the two boxes is heavier?This one is heavier than用t
Which is Heavier,People or Cars?
The _________(weigh) of the wood is 100kg.
a car of mass 1500kg is moving up a straigt road,which is in
coal dust is explosive.solids lumps of coal are not.
which students is -- of the three,john,henry or jane
Each of your words is like a feather in the
three tons of coal后面用is 还是are
Which is heavier ,the elephant or the beer The elephant is m
A 0.2 kg glass cup at 20 C is filled with 0.4 kg of hot wate