Given the question: Answer the following question given this paragraph: Farmers use greenhouses to extend the growing season. A greenhouse traps heat. Days that are too cool for a growing plant can be made to be just right. Similar to a greenhouse, greenhouse gases in the atmosphere keep Earth warm. Q: What do farmers use greenhouses for? Choices: - to predict the growing season - to allow the growing season - to decrease the growing season - to extend the growing season A:
The answer is:
to extend the growing season