Here are the answers to your questions:
Question 1: Which of the following are sustainable farming techniques? Select the two correct answers.
- rotating crops each year
- planting trees in between rows of crops
These practices promote soil health and biodiversity, making them sustainable farming techniques.
Question 2: Which issue does terrace farming help solve?
- heavy rains washing away soil from mountainous farms
Terrace farming is effective in preventing soil erosion on slopes by creating flat areas that reduce water runoff.
Question 3: In which situation would hydroponics be most useful for sustainable farming?
- a desert area with limited rainfall
Hydroponics allows for efficient water use and growing crops without soil, making it particularly useful in areas with limited water resources.
Feel free to ask if you have more questions or need further assistance!