They contain symbiotic bacteria called rhizobia within nodules in their root systems, producing nitrogen compounds that help the plant to grow and compete with other plants. When the plant dies, the fixed nitrogen is released, making it available to other plants; this helps to fertilize the soil.
The answer is #3. did this help you
i will give you a hint the nitrogen cycle and water cycle are great cycles to use for this but i wont show you my work i need my credit too lolololol hope this helps my guy.
Is a weight suspended from a pivot so that it can swing freely ,when released the force acting on the mass which makes it swing back and forth .
