The vitamin which is generally excreted by humans in urine is_____?

✅ D. Effects tides of the ocean

✅ C. Copper and Tin

✅ B. Rain

✅ A. Gypsum salt

✅ B. Meteorology

✅ A. Rayon

✅ B. Rene Laennec

✅ B. Seismic lines