Answer:
burning of coal
Explanation:
Coal contain carbon which combines with oxygen.
C. The material for it is super expensive and sometimes fragile, which sucks, but it's true.
Answer:
B. Convergent and subduction zones can cause trenches
Explanation:
The F Ring, the Cassini Division, and the C Ring are bright ring features. They are bright due to the low concentration of materials within them, which allows sunlight to shine through.