With reference to the Direct Methanol Fuel Cells (DMFCs), which of the following statements are correct?

1. DMFCs have long been considered an attractive alternate power source for small vehicles.
2. DMFCs are safer to operate because they deal with liquid fuel.
3. As an engine fuel, methanol has chemical and physical fuel properties similar to ethanol.

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Researchers are warning that the Atlantic Meridional Overturning Circulation (AMOC) could collapse as soon as 2025. In this context, which of the following statements is/are correct?

1. Collapse of AMOC can result in extended period of extreme cold in North America.
2. Collapse of AMOC will contribute to increased warming of the tropics.
3. The AMOC brings warmth to various parts of the globe and carries nutrients necessary to sustain ocean life.

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Dhala Crater, recently in news, is situated in:

Consider the following statements:

1. Karnataka has the highest tiger population in India.
2. There are tiger reserves in India which presently have no tigers.
3. India currently harbors almost 75% of world’s wild tiger population.

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With reference to the International Financial Services Centre (IFSC), consider the following statements:

1. Presently, Indian companies can directly list their securities abroad without being listed in domestic stock exchanges.
2. Indian companies cannot raise money abroad through Global Depository Receipts.

Which of the statements given above is/are correct?