Explanation

The modern two-party system consists of the "Democratic" Party and the "Republican" Party.

Explanation

Nelson Mandela is known for his struggle against racism in South Africa

He was a South African anti-apartheid revolutionary, political leader

He served as President of South Africa from 1994 to 1999.

Explanation

On December 22, 2020, Russian President Vladimir Putin signed legislation that will grant former presidents lifetime immunity once they leave office.

Explanation

Mir Zafarullah served as the 15th Prime Minister of Pakistan from 2002 until his resignation in 2004. He was the first and only elected prime minister from Balochistan.

He passes away at the age of 76 years on Wednesday 2nd December 2020

Explanation

Biodiversity is the variability among living organisms from all sources,

Including terrestrial, marine, and other aquatic ecosystems and the ecological complexes of which they are part;

This includes diversity within species, between species, and of ecosystems.

Explanation

USA has recently stopped its 12 Million USD, funding to WWF in 2020

Reasons:

The US will no longer fund eco-guards, law enforcement or “activities related to relocating communities, voluntarily or involuntarily.”

History

The World Wide Fund for Nature (WWF) is an international non-governmental organization.

founded in 1961

that works in the field of wilderness preservation and the reduction of human impact on the environment.

Explanation

Finding the pattern:

6−4=2

9−6=3

13−9=4

The differences between consecutive numbers are +2, +3, +4.

Following this pattern, the next difference should be +5.

So, 

13+5=18.

Explanation

Has 6 official language

1st session in London Jan 1946

Explanation

The mean is calculated by dividing the sum of the terms by the number of terms.

Mean=Sum of the terms/Number of terms​

Given that the mean is 40 and there are 7 terms, we can find the sum as:

40=The sum of the terms/7​

Multiplying both sides by 7:

$$\text{Sum of the terms}=40\times 7=280$$

Explanation