A ball is dropped off the side of a bridge. After 1.55 s, how far has it fallen? (Unit=m)

a=-9.80 m/s^2

In which type of system is power held solely by the central government and not shared with regional governments? group of answer choices federal unitary confederate oligarchic

How is an electron dot structure used to represent a covalent bond?

Only 3% of the water on earth is usable by humans. even though that 3% is through the water cycle, we still need to be careful not to waste water.