Subjects offered to SPM 2014 private candidates and normal school candidates on the month of November 2014.
Did you know that ? One litre of water weights 1 kilogram. One litre of air weights about 1.3 gram. Birds sing to attract mates and to warn other birds away from their nesting area. Usually the male birds sing and not the females. The humming bird can fly backward, forward and side ways. It also can remain (hanging) at one spot for up to an hour.