Explanation

Gases and particles in Earth's atmosphere scatter sunlight in all directions.

Blue light is scattered more than other colors because it travels as shorter, smaller waves.

This is why we see a blue sky most of the time.

ND-21-5-2023

Explanation

In 2015, National Assembly passed the 21st Amendment and created military courts for the period of 2 years.

Explanation

• Arshad Nadeem won the first gold medal winner of the Pakistan commonwealth

• 8 medals won by Pakistan in Commonwealth Games 2022
• First Commonwealth games were held in August 1930
• First Commonwealth games were held in the Canda

Explanation

Explanation

Mean =  numbers of multiples/ sum of multiples of first five of 3

The average of the first five multiples of 3

= 3 + 6 +9 + 12 + 15 / 5

= 45/ 5

= 9

Explanation

Malaria is caused by a female mosquito, Anopheles; while dengue is caused by Aedes aegypti mosquito.

Explanation

Light year is a unit of distance.

Light Year: the distance that light can travel in one year.

Explanation

The biosphere is made up of the parts of Earth where life exists—all ecosystems. 

The biosphere is defined as the region on, above, and below the Earth's surface

The biosphere is a zone on the surface of the earth where soil, water, and air combine to sustain life.

Life can only occur in this zone

ND-21-5-2023

Explanation

Explanation

Alternate two series are used, one is an even number and the other is an odd number.

3 + 4 = 7

7 + 4 = 11

2 + 4 = 6

6 + 4 = 10

 ND-21-5-2023