5. tornadoes most frequently form in the a) middle of the night b) early morning just after sunrise c) early evening just after sunset d) afternoon e) late morning just before noon 6. lightning within clouds occurs cloud-to-ground lightning. a) more frequently than b) less frequently than c) about as frequently as d) lightning cannot remain within clouds

Tornadoes most frequently form in the c) early evening just after sunset

Lightning within clouds occurs more frequently than cloud-to-ground lightning.

Explanation:

5.

Tornadoes most frequently form in the c) early evening just after sunset

Possibility of Tornadoes is in all time of the day and night. But is most frequent in the late afternoon and early evening just after the sunset , as when the atmospheric conditions are very ripe for super cell thunderstorms

6.

Lightning within clouds occurs more frequently than cloud-to-ground lightning.

Since , lightning occurs between the two opposite charges , and hence possible between two clouds and between ground and cloud .

But , the intra cloud lighting occurs more frequent than between the clouds and ground .