Question 22: A. the warming of oceans has been caused by coral bleaching events B. warming oceans has not caused coral bleaching events yet C. the warming of oceans has caused coral bleaching
22/40
Mark the letter A, B, C, or D to indicate the correct option that best fits each of the numbered blanks from 18 to 23.
the warming of oceans has been caused by coral bleaching events
warming oceans has not caused coral bleaching events yet
the warming of oceans has caused coral bleaching events
warming oceans and coral bleaching events have caused