Which of the following statements regarding cyclones and anti-cyclones is/are correct?

1. In the Northern Hemisphere, cyclones rotate counter clockwise and anticyclones rotate clockwise.

2. Cyclones are often associated with cloudy or rainy weather, whereas anticyclones are often associated with fair weather.

3. In the Southern Hemisphere, the cyclonic spiral will be clockwise because the Coriolis force acts to the left.

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Identify the sea-port in India on the basis of the given characteristics:

1. It is more than a century old port on the west coast of India.

2. It is a natural harbour protected by a breakwater and also by a mole.

3. A deep draft channel of about 14 metres depth permits large vessels to enter the harbour.

Select the correct sea-port from the options given below:

Identify the Iron and Steel Plant on the basis of the given characteristics:

1. It receives coal from Jharia and iron-ore from Sundargarh and Kendujhar.

2. Power for the electric furnaces is procured from Hirakund.

3. Water is obtained from Koel and Sankh rivers.

Select the correct Iron and Steel Plant from the options given below:

Which of the following statements regarding Earth's internal structure is/are correct?

1. The oceanic crust is heavier than the continental crust.

2. Most of the Earth's internal heat is contained within the mantle.

3. Large convective cells in the crust circulate heat and drive plate-tectonic processes.

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