1361. People with what blood type can give blood to anyone and are thus called universal donors?
✅ B. O-
✅ B. O-
✅ C. Argon
✅ B. concave lens
✅ C. Trapping of Solar energy due to atmospheric carbon dioxide
✅ B. 1 g/cm3
✅ C. Milk
✅ C. Cotton
✅ A. 10,000 to 15,000
✅ D. would have left
✅ B. Sound