Fact 1: Bacteria in soil convert atmospheric nitrogen into a form usable by plants. Fact 2: Many orchids are rewarding indoor plants. Given the two facts above, answer the question "bacteria in soil converts atmospheric nitrogen into a form usable by what?" with the following options: - bacteria - humans - density - Conifers - Roundworms - gravity - h2o - orchids
The answer to this question is:
orchids