One Astronomical unit is equal to how much Km in whole numbers?

✅ A. 0°C

Water freezes at 0°C under standard atmospheric pressure. Read more

✅ C. Cosmic rays

✅ D. Hydrogen and Helium

✅ A. Transform

✅ C. Angiosperms

✅ B. The Sun lights up only one half of the Moon and as the Moon orbits the Earth we can sometimes see the unlit side of the Moon.

✅ A. Secretin

✅ A. Vitamin D