Inside Our Earth — Social Studies STD 7 — Question

Explain the advantages and disadvantages of ocean currents to man.

Write a note on Shivaji’s administration.

Green plants use carbon dioxide to make their food and release oxygen. Humans or animals release carbon dioxide. The amount of carbon dioxide released by humans or animals seems to be equal to the amount used by the plants which make a perfect balance. However, the balance is upset by burning of fuels, such as coal and oil. They add billions of tons of carbon dioxide into the atmosphere each year. As a result, the increased volume of carbon dioxide is affecting the Earth's weather and climate.
(i) What disrupts the balance between carbon dioxide production and absorption in the atmosphere?
(ii) How does the increased volume of carbon dioxide In the atmosphere impact the Earth's weather and climate?

‘Buying and selling can take place without going to a marketplace.’ Explain this statement with the help of examples.

Briefly write about the Chola capital.

Give an account of Shah Johan's audience halls.

What do you understand Women’s Movement?

What were the different overlapping group of states that emerged in the 18th Century after the decline of the Mughal Empire?

How do Ahoms build a large state?

Briefly state the use of high tides.