Everyday Science Mcqs

Montreal Protocol 1987 was__________
  • (A)  Treaty among nations to reduce nuclear arsenals
  • (B)  Climate control treaty
  • (C)  Treaty to protect ozone layer
  • (D)  Trade policy about tarrifs
Why normal rain is slightly acidic
  • (A)  due to presence of dust in air
  • (B)  carbon dioxide and water in clouds react to form carbonic acid
  • (C)  Ozone depletion
  • (D)  All of these