Statement: A 16-year-old boy drowned in a lake when he went for a swim along with his friends.
Courses of actions:
I. Coaching for Swimming in schools should be made mandatory
II. Swimming in such lakes and other water bodies should be banned.
The correct answer is D
Select the one which is not a mixture:
Urea is a —
Refrigerators keep food unspoiled because
The chief source of naphthalene is
Which of the following elements is not present in stainless steel?
The resources which can be used continuously year after year ate called