Practice check: Which option correctly answers: what is the ozone layer’s main protective role?

✅ B. Ozone layer

a: Troposphere only | b: Ozone layer | c: Inner core | d: Mantle Read more

✅ A. Red blood cells

a: Red blood cells | b: Plasma proteins | c: Platelets | d: White blood cells Read more

✅ A. Geophysics

✅ A. Pyrexia

✅ C. Both A & B

✅ D. Sterility

✅ A. carbon dioxide and water in clouds react to form carbonic acid

✅ B. Evaporation

a: Condensation | b: Evaporation | c: Deposition | d: Freezing Read more