Give reason
a) Earthworms are known as farmer’s friends.
b) Water divers wear fin like flippers on their feet, to move easily in water.
a) Earthworms are known as farmer’s friends.
b) Water divers wear fin like flippers on their feet, to move easily in water.
Answers & Comments
Answer:
(a)Earthworms are said to be always the friend of farmers. The reason is that earthworm increases the fertility of soil by increasing the amount of air and water that gets into the soil, facilitating aeration and increasing drainage.
(b) Answer:Underwater divers wear fin-like flippers on their feet to make their body to get streamlined which helps to reduce the drag of water acting on their body, thus helping them to move easily and quickly in deep water.