What is the cause of the Exxon Valdez?

A. Oil Tanker which sank in 1989 along the coast of Alaska and marine life seriously affected.
B. a plane which crashed and caused death of human life
C. a ship which wrecked on the coast of India
D. none of these.

Option: A

Water vapour is:

A. A gas
B. A cloud droplet
C. A rain drop
D. A snowflake

Option: A

Gypsum is a_______________?

A. Chemically precipitated sedimentary rock
B. Metamorphic rock
C. Igneous rock
D. Mechanically formed sedimentary rock