Explanation

•  45 should be added to 631 to make it a perfect square number.
• ***

Step-by-step explanation:

if we can add 45 then it becomes

631+45=676

√676=26 that's why

answer is

45

SH25-8-2023

Explanation

Uncle Sam is the nick of the U.S.A

...

On September 7, 1813, the United States gets its nickname, Uncle Sam. 

The name is linked to Samuel Wilson, a meat packer from Troy, New York, who supplied barrels of beef to the United States Army during the War of 1812.

...

The land of Maple Leaves is a nickname for Canada

Land of the Rising Sun is a nickname for Japan

Land of White Elephants is the nickname of Thailand

Land of Milk and Honey is the nick of Israel 

the land of Rainbow is the nickname of South Africa

ND16-8-2023

Explanation

Fractions with the same denominator are called like fractions.

Example:½, 3/2, 5/2, 7 /2 etc

Sh5-9-2023

Explanation

In 1/h hour the student solves q questions

In 1/h*h hours the student will solve q*h questions

That is in 1 hour the student will solve q*h questions.

So in q hours, the student will solve q*q*h questions

So your answer is:-  q²h questions

Sh31-8-2023

Explanation

Convex lenses are used to treat presbyopia, hypermetropia, and aphakia

hypermetropia, and hyperopia, is a condition of the eye where distant objects are seen clearly but near objects appear blurred.

Explanation

A slippery outer covering in some bacteria that protects them from phagocytosis by host cells is Capsule.

Capsules can protect a bacterial cell from ingestion and destruction by white blood cells

Capsules confer resistance to phagocytosis.

Explanation

Spanish FM Jose Manuel Albares visited Pakistan on 10 September 2021. 

Jose Manuel Albares seeking to meet

Prime Minister Imran Khan,

Foreign Minister Shah Mahmood Qureshi,

Pakistani Army's Chief of Staff Qamar Javed Bajwa.

Sh9-8-2023

Explanation

In the January morning temperature in Murree was recorded as -3 C and in the afternoon it was 11 C . The rise in temperature is  14 C

-3, -2, -1 ,0 ,1,2,3,4,5,6,7,8,9,10,11,

total rise is = 14

Sh5-9-2023

Explanation

Can you think of someone who might bear a grudge against you?

کیا آپ کسی ایسے شخص کے بارے میں سوچ سکتے ہیں جو آپ کے خلاف بغض رکھتا ہو؟

**

Grudge means بغض یا نفرت a persistent feeling of ill will or resentment resulting from a past insult or injury.

so according to the above sentence "grudge" is the best option for making the meaningful sentence

Explanation

Except at the magnetic pole, the Earth's magnetic field is always horizontal

 the horizontal component of the earth's magnetic field is zero at the magnetic poles.

Hence, Earth's magnetic field always has a horizontal component except at the magnetic poles where it is zero.