Explanation

The basic unit of electricity is the Kilowatt hour . In simple terms, 1 kWh is the amount of energy used by a 1kW (1000 watt) electric heater for 1 hour.

Explanation

The ozone layer protects living things from too much ultraviolet  from entering the atomsphere.

Oxygen layer in the atmosphere

Ozone protects us from the harmful ultraviolet radiation of the sun.

Ozone formula: O3

The ozone layer lies approximately 15-40 kilometers (10-25 miles) above the Earth's surface, in the stratosphere.

The ozone layer is depleting: Air pollution

Explanation

The two week long Durzbha-V was conducted at Tarbela and NCTC Pabbi.

The first-ever joint exercise between Pakistan and the Russian military took place in 2016.

Explanation

Hydrogen is the most abundant element in the Universe.

Helium is second making up almost all of the remaining 25%. Oxygen is third most abundant element of universe.

Hydrogen and helium are by far the most abundant elements found in the Sun, making up about 98 percent of its mass.

*********

FIA VU ASSISTANT  02-01-2022

Explanation

Denmark's flag is also known as the Dannebrog.

It is recognized as the oldest flag still in use today.

It was officially recognized as the national flag in 1625.

Explanation

United Arab Emirates becomes the first Arab country to reach Mars.

The Emirates Mars mission, named the Hope probe, reached Mars'. 

Explanation

Boisterous means ہلڑباز، ادھم مچانے والا

Noisy means شور

Explanation

A simple sentence contains a subject and a verb and communicates a single, complete thought.

.....................

A simple sentence is a sentence that is made up of just one independent clause.

NO commas separate two compound elements (subject, verb, direct object, indirect object, subjective complement, etc.) in a simple sentence.

Explanation

As elevation increases, there is less overlying atmospheric mass, so that atmospheric pressure decreases with increasing elevation.

Pressure measures force per unit area, with SI units of pascals (1 pascal = 1 newton per square metre, 1 N/m2).

Explanation

The polar regions of Earth are the regions of the planet that surround its geographical poles (the North and South Poles), lying within the polar circles.