Hi can someone please help me answer these 2 questions? What is the function and purpose of the phosphorus cycle?

What are electromagnetic waves? Including Reflection, refraction and transmitted.

The phosphorus cycle is the process by which phosphorus moves through the lithosphere, hydrosphere, and biosphere. Phosphorus is essential for plant and animal growth, as well as the health of microbes inhabiting the soil, but is gradually depleted from the soil over time.

Electromagnetic waves or EM waves are waves that are created as a result of vibrations between an electric field and a magnetic field. In other words, EM waves are composed of oscillating magnetic and electric fields.

They are also perpendicular to the direction of the EM wave

Explanation:

i believe it would be c: tons.