Get insightful responses to your questions quickly and easily on IDNLearn.com. Discover the information you need quickly and easily with our reliable and thorough Q&A platform.

Tai grows plants in a container called a terrarium, as shown below. He keeps the terrarium on a sunny windowsill. The terrarium is closed, so Tai cannot add water to the plants. However, the plants have enough water to grow. Which of these statements best explains why the plants always have enough water?