Which of the following is most likely to cause a rise in the average temperature of earth's atmosphere in future?
Atomic warfare
Depletion of earth's ozone layer
CO2 from fossil fuels
Dust clouds from valcanoes
- The fastest acting enzyme in the biological kingdom is
- Cell membrane is
- Old-written material, which cannot be read easily can be read by
- The metal used in storage batteries
- Bromine is
- The location and energy of an electron in an atom can be specified by
- The metal that is present in Photo Films is
- Rust is
- When a gas is turned into a liquid, the process is called
- The chemial name of Uria is
- One fathom is equal to
- Which of the following characters is not shown by hydrogen
- Brass gets discoloured in air due to the presence of which gas in air
- What is the unit for measuring the pitch or frequency of sound ?
- The Panda belongs to the same family as that of
- Earth's seasons are caused by which of the following?
- Epoxy resins is used as
- The type of glass used in making prisms and lenses is
- The formula of Plaster of Paris is
- Nitrification means
- The hardest substance available on earth is
- The element present in the largest amount in rocks and minerals is
- Which of the following is the lightest metal ?
- The colour of Emerald is
- Which of the following is in liquid form at room temperature ?
- Which of the following elements is a metal
- Pollination by birds is called
- Liquefied Petroleum gas (LPG) consists of mainly
- Lightening cause rainfall because
- Glass is made from the mixture of