Explanation

World Water Day is on 22 March every year.

It is an annual United Nations Observance, started in 1993

Purpose: the importance of freshwater

Theme 2021: 'Valuing Water'.

Theme 2022: "Groundwater, making the invisible visible”.

Theme 2023: Accelerating Change

Theme 2024: Leveraging Water for Peace

Theme 2025: Glacier Preservation

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Explanation

International Day of Forests is observed on 21st day of March.

The International Day of Forests was established on the 21st day of March.

Established by United Nations General Assembly (UNGA)

        Theme 2025: Forests and Foods

Explanation

Central Europe includes countries like Germany, Poland, and France, which have high population densities.

This region has well-developed infrastructure, industries, and urban centers, leading to a dense population.

Explanation

Mount K2 is the second-highest mountain on Earth.

It is part of the Karakorum Range 

It is located on the China–Pakistan border between Baltistan in the Gilgit-Baltistan region of northern Pakistan.

K2, at 8,611 meters above sea level

K-2 is Also Known As Godwin Austin

'K' standing for Karakoram

K2 mountain was first measured by Godwin Austen in 1856.

Additional information:

The first highest mountain on Earth is Mount Everest

It is located in Nepal.

The new height of Mount Everest is 8,848.86m (29,032 feet).

Mount Everest was named after George Everest in 1856

Explanation

A person who originally mooted the concept of SAARC was Zia ur Rahman.

He was a military serviceman and the 7th President of Bangladesh.