What are gums made of? Is Fevicol different?

What is bone made of ?

What are the uses of gums ?

What is soil made up of?

NH_(3) and NF_(3) are both pyramidal. What observations are made on the difference in bond angles, bond polarities and dipolemoments?

Two uniform circular discs having the same mass and the same thickness but different radii are made from different materials. The disc with the smaller rotational inertia is

The total number of signals that can be made with 7 different coloured flags is

What is cell membrane made up of?

What is chewing gum? How is it made of?

A mixture made up of different substances is called __________.