Which vitamin is available to the human body through sun bathing?

✅ A. Radio waves detectable from Earth

✅ B. Copernicus

✅ D. Tetanus

✅ D. Atoms

✅ C. Argon

✅ D.  K2-18b

✅ D. Robert Millikan

✅ D. Gravity

Gravity attracts masses toward one another. Read more