In which different ways do our surroundings get polluted?

Answer the following questions: What are the different types of plants in your surrounding?

For which different purposes do we use the water ?

Mention the different ways of phosphorylation.

Find the number of different ways of arranging letters in the word ARRANGE. How many of these arrangement do not have the two R's nor A's together?

Find the number of ways in which 12 different flowers can be arranged in a garland so that 4 particular flowers are never seperate.

Find the number of ways in which 12 different flowers can be arranged in a garland so that 4 particular flowers are always together?

Irrespective of all of us being humans, what difference do you notice in our skin colour?

Answer the following : What are the different laws to prevent pollution ?

Are the muscles of the different organs in our body identical?

Different ways to obtain thermal energy :