Economy, asked by gpoojithasai, 5 hours ago

Hello!
What are historical change in sectors?

Answers

Answered by Anonymous
26

Answer:

Hi dear

Explanation:

Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.

Answered by JSP2008
4

Answer:

Historical changes brought about in the secondary sector are the following :

(i)Over a long time and especially because new methods of manufacturing were introduced, factories came up and started improving. (ii)Those people who had earlier worked on farms now began to work in factories in large quantities.

Hope it helps!

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