What is the chemical formula of water?

✅ D. Crust, Mantel, Core

✅ B. Distant objects clearly

✅ C. 100°C

a: 150°C | b: 0°C | c: 100°C | d: 50°C Read more

✅ B. Metre, litre and gramme

✅ D. Ampere

The ampere is the SI unit of electric current. Read more

✅ C. Oxygen

Oxygen is required for aerobic cellular respiration. Read more

✅ D. Photosynthesis

a: Fermentation | b: Digestion | c: Respiration only | d: Photosynthesis Read more

✅ B. Steel