Polyethylene
Polyethylene gets harder as the number of carbon atoms increases.
Polyethylene
Hit it harder with a club.
calcite
no i dont know It might be a solid thought because turning a gas to a solid is harder than a liquid.
Polyethylene gets harder as the number of carbon atoms increases.
Polyethylene gets harder as the number of carbon atoms increases.
Polyethylene
let it sit out in the air after a couple of days it will get harder
When you increase your velocity on a skateboard it is harder to stop because of momentum.
When you increase your velocity on a skateboard it is harder to stop because of momentum.
When you increase your velocity on a skateboard it is harder to stop because of momentum.
When you increase your velocity on a skateboard it is harder to stop because of momentum.
because natural emeralds are harder than a synthetic emareld
rub harder
no
Hit it harder