Your response should contain at least 3 sentences. The response must have 2 sections. Mark the beginning of each section with Section 1 and Section 2, such as: Section 1. Your answer must contain a title, wrapped in double angular brackets, such as <<Understanding the Basics>>. Include keywords [water, plants, growth] in the response. In your response, the word "growth" should appear at least 2 times. Provide an explanation on how water affects plant growth.

user