Question

write postulates of Dalton's atomic theory​

Answer 1

Answer:

Postulates.

(1) All the matter is made up of very small particles called atoms.

(2) Atoms can neither be created nor be destroyed.

(3) All the atoms of a given element are identical in every respect, having same physical and chemical properties.

IIGoLDGracEII

Thank you

Answer 2

Answer:

A valley is an elongated low area often running between hills or mountains, which will typically contain a river or stream running from one end to the other. Most valleys are formed by erosion of the land surface by rivers or streams over a very long period of time.