Explanation

Because light travels faster than sound, lightning appears to go before thunder.

چونکہ روشنی آواز سے زیادہ تیزی سے سفر کرتی ہے، اس لیے بجلی گرج سے پہلے چلتی دکھائی دیتی ہے۔

"go before" is the best option to keep the meaning of the original sentence

because

We see lightning first and then hear thunder 

ND27-7-2023

Explanation

THE ELEMENTS OF STATE :

Population

Territory

Government

Sovereignty

The first two elements constitute the physical or material basis of the state

while the last two form its political and spiritual basis.

• The population is the most important element and without a population, a state cannot be formed.
• A human political institution is a state and also it is a community of persons.
• The territory of a state must be definite and the size of the territory has to be a well-marked position
• The organization that implements, and enforces the law of the state is called the Government.
• Sovereignty is the supreme power of the people in the state and it regulates the life of people living in the territory.

NA23-7-2023

SH1-8-2023

Explanation

A fragile thing is prone to crack,

similarly, a pliable thing is prone to bend.

ND27-7-2023

Explanation

Researcher: Heavily Insulated homes trap radon gas much better than do poorly insulated homes. Therefore, those who live in heavily insulated homes are at greater risk for certain types of brain cancer because evidence shows that those who are being treated for brain cancer have high blood levels of the radioactive compounds that are found in those who are exposed to high levels of radon gas.

Question:

Which one of the following, if true, most underrates the researcher’s argument?

A. Exposure to radiation is known to Ice to an increased incidence of cancer of all kinds.

B. Young people are particularly susceptible to the negative consequences of high levels of radon exposure.

C. Radioactive compounds are used in many cases to help develop an initial diagnosis of medical

D. The most common brain cancer therapy involves radiation and I, cads, to high blood levels of many radioactive compounds

ND5-07-2023

Explanation

 When the department was expanded it was clearly a wise move

 the best phrase from the options “Expanding the department was clearly a wise move”

ND27-7-2023

Explanation

Wreckage کباڑmeans the remains of something that has been badly damaged or destroyed.

Here “A heap of broken glass and metal” represents a wreckage

ND27-7-2023

Explanation

A generator is a device that converts mechanical energy to electrical energy for use in an external circuit.
A generator works on the principle of electromagnetic induction.

Explanation

social interaction is a basic human need

***

Detail concept

Human well-being relies on intimate social connections.

In a recent study published in Nature Neuroscience,

a team of researchers led by Rebecca Saxe,

a neuroscientist at the Massachusetts Institute of Technology reported :

that social interaction is a basic human need,

just like food and water

The five types of social interaction are

exchange, cooperation, conflict, coercion, and competition

NA23-7-2023

SH1-8-2023

Explanation

The following figure shows the phenomenon of __ of light. Diagram

Refraction is the bending of light (it also happens with sound, water, and other waves) as it passes from one transparent substance into another.

Explanation

The leaves appear green in white light because they reflect only the green light and absorb lights of all other colors.