(a) (i) What is debeaking?
(ii) Give two reasons why debeaking in poultry birds is important.

(b) (i) A steel needle carefully placed on the surface of water floats. What type of force made the steel needle to float?
(ii) Name three substances that could be added to the water to make the steel needle to sink.

(c) (i) Explain why gold is preferred to iron in the making of jewelleries.
(ii) State one way of preventing rusting.

(d) (i) State two elements of climate
(ii) Name the equipment used to measure each of the elements stated in (i) above.