Practice check: Which option correctly answers: what does recycling do?

✅ C. 1/10th of the unit

✅ B. Nitrogen

Nitrogen makes up about 78% of Earth's atmosphere. Read more

✅ B. Rising tide while meeting river currents

✅ A. Condensation

A: Condensation B: Evaporation C: deposition D: Sublimation Correct Answer: Condensation Read more

✅ A. Electromagnetic wave

a: Electromagnetic wave | b: Water wave | c: Sound wave | d: Seismic S-wave Read more

✅ C. Trapping of Solar energy due to atmospheric carbon dioxide

✅ D. Heart

a: Kidney | b: Liver | c: Lung | d: Heart Read more

✅ D. The Sun

a: Proxima Centauri | b: Polaris | c: Sirius | d: The Sun Read more