State whether the following statements are true or false, Echinoderms are exclusively found in sea water
State whether the given statement is true or false:
Complementary events are mutually exclusive, and vice versa.
State whether the following statements are true or false. If false, correct them.
(a) Plants consume oxygen for respiration.
(b) Plants produce oxygen during the process of making their own food.
(c) Air helps in the movements of sailing yachts and gliders but plays no role in the flight of birds and aeroplanes.
(d) Air does not occupy any space.
The two types of frequency distributions are inclusive and exclusive. State whether true or false.