Q:Fact 1: Planting trees has a positive impact on an ecosystem. Fact 2: An ecosystem includes the organisms and their habitat. Given the two facts above, answer the question "Doing what has a positive impact on organisms and their habitat?" with the following options: - hydrate their cells - exercise - By coral exoskeletons - planting trees - trimming trees - planting grass - buying flowers - support
A:
planting trees