How many millilitres are in 30 litres?

✅ B. Ocean absorption of excess atmospheric carbon dioxide

a: Extra oxygen dissolving | b: Ocean absorption of excess atmospheric carbon dioxide | c: Sand movement only | d: Moonlight Read more

✅ C. Brain

✅ D. 18000

a: 180 | b: 1800 | c: 1018 | d: 18000 Read more

✅ C. 4

a: 6 | b: 5 | c: 4 | d: 3 Read more

✅ C. 961.8 °C

✅ C. 4.6 billion years

✅ A. The Frigid Zone

✅ B. 100mm