Explanation:

- Temperate grasslands are regions that experience moderate rainfall, with hot summers and cold winters.

- These conditions create an ideal environment for specific types of crops.

1. Cotton

- Requires warmer and more humid climates than temperate grasslands provide.

- Grows best in sub-tropical regions.

2. Wheat

- Adaptable to the conditions of temperate grasslands.

- Thrives in the cooler temperatures and moderate rainfall of these regions.

- Correct Answer: Wheat

3. Grape

- Requires a specific combination of warmth and moisture, more suited for Mediterranean climates.

4. Apple

- Grows well in temperate zones, but requires more specific conditions with cold winters for bud development.