Finish the following sentence with the best choice: How do I know if my plants need more humidity?

Choices:
- Check the soil of your plants for brown or yellow healthy pieces, new growth may not happen at that point.
- Check the tips of your plants for brown or yellow brittle pieces, new growth may not happen at that point.

Answer:
Check the tips of your plants for brown or yellow brittle pieces, new growth may not happen at that point.