Explanation

Radon is a gas that can be accumulated in poorly ventilated buildings.

Explanation

Trachoma is a disease of the eye

It is caused by infection with the bacterium Chlamydia trachomatis.

It is a public health problem in 38 countries and is responsible for the blindness or visual impairment of about 1.9 million people

Explanation

Biology

Life and living organisms, including their structure, function, growth, evolution, and interaction with their environment.

Geology
The Earth, its materials (rocks, minerals), structure, and the processes that shape it (earthquakes, volcanoes, plate tectonics).

Chemistry

Matter, its properties, how it interacts, combines, and changes (chemical reactions, molecular bonds, atomic structure).

Physics:

The fundamental forces and principles of the universe, such as energy, motion, force, and the nature of matter.

Explanation

Explanation

Explanation

Explanation

The use of "stone" as a weight unit is less common today but still used in certain contexts.

A stone is a unit of mass measurement in the British and English imperial systems.

It is equal to 14 avoirdupois pounds, or about 6.35 kilograms.

The symbol for stone is st. 

Explanation

Explanation

The National Climate Finance Strategy (NCFS) of Pakistan estimates

The country will need $348 billion in climate finance by 2030 to achieve its climate-resilient development goals

Pakistan faces a significant climate finance gap due to its vulnerability to climate change.

The 2022 floods alone caused an estimated $30 billion in damage.

Explanation

Cyril Ramaphosa is the President of South Africa.

5th and current President of South Africa

Assumed office on 15 February 2018

Preceded by: Jacob Zuma