If the statement "Hurricanes and Tornadoes are 2 of nature's destructive forces." is the main topic then I would say #5 "They can destroy a home, as easily as we pick up a snail, with their powerful wind funnel".
A discrete quantity of energy proportional in magnitude to the frequency of the radiation it represents
For the first one the correct answer is variant A because of the appositive developed phrase ' <span>grown in many parts of the world ' .
For the second one the correct answer is variant B because that sentence doesn't need any comma's like the other ones.</span>