A pressure washer is your best bet. You can control the direction of the jet, and you can use just water.
cement cement it is easier to run on cement cement
2,4-D
Yes if the ryegrass is not a resistant variety
uh..no
After killing off grass with something like vinegar, you usually can replant grass or plants once the weeds or grass has died.
Snails move faster on dirt cement
Cement because the surface tends to be flatter than grass. In grass, the blades hitting the ball cause it to start losing speed, as the ball now needs more energy to go over or push past the grass compared to the cement, where there is nothing there to stop it from moving forward except the air.
grass
Neither. The ball rolls faster on cement, not grass, or dirt.
you take the tulips out og the ground and pull the weeds out and put them back in
No, in order for grass to grow properly, it needs dirt/soil for it's roots to dig into the dirt, if you sprinkle grass seed on cement (putting dirt on the cement first), it may grow but pure ground works the best.
only the grass knows