Explanation

Methane is the simplest of saturated hydrocarbons with a chemical formula CH4.

It consists of four hydrogen atoms and one carbon atom.

It is the simplest alkane.

Explanation

Ultra Violet rays: most harmful and are almost completely absorbed by our atmosphere.

Explanation

Soil pollution can be caused by acid rain.

It is a type of precipitation that contains high levels of sulfuric and nitric acid.

This can occur when fossil fuels are burned, releasing sulfur dioxide and nitrogen oxides into the atmosphere, which then combine with water and oxygen to form acid rain.

Acid rain can alter the pH of the soil, making it more acidic and potentially harmful to plants and microorganisms.

Explanation

15th BRICS summit held in Johannesburg, South Africa in 2023.

• Know everything about BRICS: 
• BRICS founded: June 2009
  
• BRICS Member countries: Brazil, Russia, India, China, South Africa, Egypt, Ethiopia, Iran, Saudi Arabia and the United Arab Emirates
  
• BRICS total members: 10 
• South Africa joined BRICS: 2010
• BRICS headquarters: Shanghai, China
• BRICS first conference hosted by: Russia (2009) 

Explanation

FATF meeting held on 24 February 2023

Suspended membership of Russia over war in Ukraine

South Africa and Nigeria: Kept in gray list

Morocco and Cambodia: Removed from gray list 

FATF stands for Financial Action Task Force

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The Financial Action Task Force (FATF) is the global money laundering and terrorist financing watchdog.

The Financial Action Task Force (FATF) was founded in 1989

One year is the tenure of FATF President Ship which rotates among member Countries

FATF Headquarters is located in Paris

FATF Members countries are 39

FATF's Official languages are English and French

Explanation

Lionel Messi has been named the best player in men’s football by FIFA, at The Best FIFA Football Awards.

Lionel Messi won this award for his outstanding performances in men's football from August 2021 to December 2022.

Lionel Messi is the professional footballer of Argentina

Explanation

The 2023 World Environment Day, held on June 5, focused on plastic pollution

The theme for the day was #BeatPlasticPollution. 

World Environment Day is the world's largest international environmental day held annually.

Explanation

Australia will remove the British monarch from its currency notes on its $5 note with a design honouring Indigenous culture.

British monarch: Queen Elizabeth II

Announcement made on 2 February 2023.

Explanation

The United States of America (USA) (accounting for 39 per cent of world military spending) and China (13 per cent) remained the two largest spenders on Military in 2022.

Note: Stockholm International Peace Research Institute (SIPRI) is an international institute based in Stockholm

Explanation

Global Convention on the Recognition of Qualifications concerning Higher Education came into force on 5 March 2023.