The hydrogens and oxygen of a water molecule are held together by covalent bond
C.Work was required by an outside force.
Answer:
Chemistry is used almost everywhere you go. from the car you use to get to work (gasoline burning) to the nuclear reactors that power many homes ( uranium becoming unstable to product electricity.
6.4 times 10^-7 is the answer because you are moving your decimal places to the left so it will be negative 7