Gases take up a lot of space because
a. they have weak chemical bonds.
b. their molecules have very little attraction for one another.
c. they contain very few atoms.
d. they have a small molar mass.

1. list three scientific reasons cockroaches may fly.

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged

If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied