Automotive batteries can ______________________________.
a. produce explosive gasses
b. cause chemical burns to the skin and eyes
c. heat metal jewelry to its melting point
d. all of the above
All of the Above would be your answer. The battery contains acid and gasses that can explode and cause burns to the skin if precautions aren't taken. The chemicals are so strong that the battery acid an also melt jewelry and other soft metallics.