Which of the following statements are true about wheat cultivation?
1. Wheat requires moderate temperature and rainfall during the growing season.
2. The best soil for wheat is well-drained loamy soil.
3. China is the leading producer of wheat in the world.
4. Wheat is grown extensively in the USA, Canada, Argentina, and India.
1
1 and 2
2
1, 2, and 4
3
2, 3, and 4
4
1, 2, 3, and 4