The oldest barrage on the river Indus at Sukkur was built in_____?

✅ D. Sulfuric acid

✅ D. Heart

The heart pumps blood through the circulatory system. Read more

✅ A. Condensation

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

✅ C. Solid Carbon dioxide

✅ D. Oxygen and acetylene

✅ D. Quasars

✅ B. Red, green and blue

✅ D. Nitrous oxide