No, you can't.
No. It is illegal for an eligable man to block a defender past the line off scrimmage if the ball is in the air.
No it is not legal to have any contact with the goalkeeper.
You have to be in mid air while a POW is on top of you.
No. You can block the receiver up to 5 yards away from the line of scrimmage, but after that you can't stop them from running their route.
yes. think about balloons: a ballon with helium will float while a balloon with good ol' air will sink
A football with full air is heavier.
That's easy! You right click on where you want to place it.
Any patch of dirt with no opaque block above it (so only air, leaves etc) will grow grass after a while. If any block is covering it, blocking out the sun, then the block will remain dirt.
newtons laws are contributed by while the foot ball is in the air inertia acts on it.
you must find a jump on the track. it only affects the ground and will not hurt you while in the air
The ultrasound waves are allowed to pass through metal block to which are fitted detectors to detect the waves. If the metal block has a very small defect, such as an air bubble or a crack, then the ultrasound waves are reflected from such spots. The reflected ultrasonic waves indicates that metal block is defective.
air is in the football