" d) What is metamorporic rock.write how it is formed? "

What is a rock salt ?

What is soot? How is it formed?

Identify the acid and the base from which sodium chloride is obtained. Which type of salt is it? When is it called rock salt? How is rock salt formed?

Identify the acid and the base from which sodium chloride is obtained. Which type of salt is it? When is it called rock salt? How is rock salt formed?

What is zygote? How will it form?

What is echo ? How is it formed ?

What are polymers? How are they formed?