Question

स्वयं अध्ययन
यातायात के नियमों, सांकेतिक चिह्नों एवं हेल्मेट की आवश्यकता
आदि के चार्ट बनाकर विद्यालय की दीवार सुशोभित करो।​

Answer 1

Explanation:

vaise basic concept of chemistry chemistry is it is defined as the branch of science that deals with the study of matter its composition its property and the changes which it undergoes in competition as well as in energy during various process