An occluded front is usually associated with severe thunderstorms or a drizzle.
Answer:
I think A.Chinese people are too interested in nature.
Explanation:
Substinence farming is farming food that is just enough to live off of. You don't sell substinence crops.
Commercial farming is growing food to sustain you, and having enough left over to sell.
In both, you grow food and you keep some (or all) for yourself.
