What is the phase of water at 1.0 atm and 50°C? Water
(liquid)
Pressure (atm)
1 -
0.5
0.25-
Ice
(solid)
Water vapor
(gas)
0
Oy
Temperature (*C)
O A. Liquid and gas
O B. Liquid
O C. Solid
O D. Gas

Okay well gravitational energy is matter forced by gravity making energy though the kinetic energy then the electric energy produces electricity from the kinetic energy and the kinetic energy gets its energy from the gravitational energy. was that the answer you wanted or something else?  

Its a hope this

Reducing agents  oxidized by the reaction 

The answer is b. because when it leaves the bat, its bringing motion on where its going.