I think the answer is B. Hope this helps.
One way that you can solve that problem is by distributing 4.2 in to the other factors.
(4.2*6)+(4.2*1.43)
Life in a particular habitat or ecosystem.
Answer:
Most tornadoes form from thunderstorms. You need warm, moist air from the Gulf of Mexico and cool, dry air from Canada. When these two air masses meet, they create instability in the atmosphere.
