Which sentence supports the claim that it can be challenging to predict a lightning strike? a. one major incident occurred during the 1969 launch of the apollo 12 mission when lightning briefly knocked out vital spacecraft electronics b. the avoidance of lightning strikes to a spacecraft during launch relies heavily on the ability of meteorologists to accurately forecast and interpret lightning hazards to nasa vehicles under varying weather situations. c. while these are more than sufficient reasons for nasa to pursue lightning research, lightning has a direct effect on day-to-day operations as well. d. severe hazards for nasa due to lightning have been well documented.