When a man circles round the earth in a satellite, then
The weight of an object at the poles is greater than at the equator. This is because
The first metal used by the man was
Gobar gas contains mainly
The content of water is greater than fats, the plasma is more than proteins, proteins are more than fats and fats less than plasma. Which constitutes the major Part of the human body ?
The water in an open pond remains cool even in hot summer because
If a large number of people are enclosed in a room, then
It is not advisable to sleep under a tree at night because of the
Which of the following is a balanced fertiliser for plants ?
Which one of the following is a fast growing tree ?
