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Consider the following statements regarding secondary waves (S-Waves) generated during an earthquake:
1. They produce crests and troughs in the medium through which they pass.
2. The direction of vibration of S-waves is perpendicular to the direction of wave propagation in the vertical plane.
Which of the above statement/statements is/are correct?

In the context of the UNESCO World Heritage Site Easter Island, which of the following statement/statements is/are correct?
1. It is part of the Polynesian Islands.
2. It is the territory of the South American nation Chile.
Choose the correct answer using the code given below:

Identify the mineral based on the following characteristics: I. It is generally a green-colored crystal. II. It is commonly found in basaltic rocks. III. Magnesium, iron, and silica are its main components. Choose the answer using the code given below:

In the context of humus, which of the following statement/statements is/are correct?
1. It is a dark-colored, non-crystalline substance.
2. Being colloidal in nature, it acts as a reservoir of nutrients.
Choose the correct answer using the code given below:

Which of the following biosphere reserves in India is spread across three states?

The Danube River does not flow through which of the following capital cities in Europe?

Which of the following is the home of Africa's endangered mountain gorillas?

In the context of Jordan, which of the following statements is/are correct?
1. After the First World War, the country of Jordan was created under the British Mandate.
2. It is a landlocked country.
Select the answer using the code given below:

In the context of surface inversion, which of the following statements is/are correct?
1. It creates instability in the lower layers of the atmosphere.
2. This inversion generally lasts for a few hours before the sun rises.

Identify the type of climate based on the following characteristics:
I. The temperature remains high throughout the year.
II. Rainfall is variable, with a short humid season and a long dry season.
III. The climate of Sudan and Paraguay is an example of this type of climate.

Identify the cloud based on the following characteristics: I. They appear like cotton. II. They are scattered and have flat bases. III. They usually form at an altitude of 4 to 7 km. Choose the correct answer using the code given below:

What is the correct ascending order of the following salts according to their abundance in seawater?
1. Calcium carbonate
2. Calcium sulfate
3. Magnesium chloride