State whether the following statements are true or false.
A. When a candle bums, both physical and chemical changes take place.
B. Anaerobic bacteria digest animal waste produce biogas.
C. Ships suffer a lot of damage though they are painted.
D. Stretching of rubber band is not a physical charge.
Answer:A
State whether the following statements are true or false.
A. When a candle bums, both physical and chemical changes take place. B. Anaerobic bacteria digest animal waste produce biogas. C. Ships suffer a lot of damage though they are painted. D. Stretching of rubber band is not a physical charge.