Write the reaction of the borohydride ion with water

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d

Are oil and water a mixture or solution