24 (b) State whether the following statements are true or false.
When water is poured into a glass, the air is pushed out of the glass.
Final answer: The given statement is true.
4. State whether the statements given below are True or False.
(a) Stone is transparent while glass is opaque
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.
State whether the following statements are true or false. If false, give the correct statement.
(a) Forests influence climate, water cycle and air quality.
(b) In a forest, trees form the uppermost layer, followed by herbs. The shrubs form the lowest layer of vegetation. (3)
(c) The forest keeps on growing and changing and can regenerate.
(4) State whether the following statements are true or false. If false, give the correct statement.
(d) Forests protect the soil from erosion.