Yes
Yes, if the cables are damaged, excessively corroded, or not fastened correctly that can cause your car to not start.
Dead battery? Loose or corroded battery cables? Blown fusable link?
Weak battery? Loose or corroded battery cables? Starter solenoid?
Yes
Weak battery, corroded or loose battery cables, failed starter.
Yes, a corroded battery can cause an intermittent voltage drop.
Weak or dead battery Loose or corroded battery cables Blown fuse or fusable link
Dead cell in the battery or corroded or loose battery cables.
Loose or corroded battery cables? Bad starter - excessive drag --excessive resistance
Loose alternator drive belt or loose or corroded battery cables. The battery itself may also be bad.
dead battery, blown fusable link, severely cracked or corroded cables. especially check battery ground to chassis and engine.
Battery cables must be replaced, temporary replacement battery clamps can be found at your local parts store, but will cause problems down the road. When clamps have corroded, the cables will also be saturated with corrosion.