Explanation

"I laughed at him for making a silly mistake."

• "Laughed at" is the correct phrase used when you are mocking 

• "For" is used to explain the reason for the action (in this case, making a silly mistake).

Explanation

• On Earth, surface water covers 70% area.
• 70-71 percent of the Earth's surface is water-covered.
• The oceans hold about 96.5 percent of all Earth's water.
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• This includes oceans, rivers, lakes, glaciers, and groundwater.
  

Explanation

"Wise people do not spend their money foolishly."

• "Wise" is an adjective describing people.

• We use adjectives before nouns (e.g., wise people).

• "Wisely" is an adverb, and "wisdom" is a noun — both do not fit here.

Explanation

Astore District is a district of Pakistan-administered Gilgit-Baltistan in the disputed Kashmir region.

It is one of the 14 districts of the Pakistani-administered territory of Gilgit−Baltistan.

Its administrative headquarters are located at Eidgah in the Astore Valley.

Explanation

Priestly discover oxygen in 1776.

Oxygen makes up about 46-50% of the Earth's crust by weight, mainly in the form of oxides and silicates.

It is also a major component of water (H₂O).

It is abundant in the atmosphere as O₂.

Explanation

"The gift was bought for her."

"For" is used to indicate the recipient of the gift or action.

The gift was bought from her.

The correct preposition is "from" when indicating the source or seller.

So, the sentence becomes: "The gift was bought from her."

The gift was bought by her.

The correct preposition is "by" when indicating the agent performing an action (who bought the gift).

So, the sentence becomes: "The gift was bought by her."

Explanation

The wind is used to produce electricity by converting the kinetic energy of air in motion into electricity.

Wind energy is the energy obtained from the force of the wind.

The unit of wind is: joule

Explanation

"An honest person always speaks the truth."

• "Truth" is a noun and is the correct object of the verb "speaks".

• "True" is an adjective, and "truly" is an adverb — neither fits grammatically here.

Explanation

Oranges are well-known for being rich in Vitamin C,

It is essential for immune function, skin health, and other bodily processes.

While potatoes do contain Vitamin C, oranges are generally considered the best source.

Explanation

The Gwadar Port is situated on the Arabian Sea at Gwadar in the Balochistan province of Pakistan

The Gwadar Port was Opened: in 2002;

Pakistan purchased Gwadar port from Oman on 8th September 1958.

Gwadar officially became part of Pakistan on 8th December 1958.

Gwadar remained under Omani rule for 174 years from 1783 -1958 

Gwadar Port is situated on the Arabian Sea at Gwadar in Balochistan province.

Opened: 2002 

while 

Pakistan has three big sea ports  It was purchased from Oman in 1958.

Karachi Port,

Muhammad Bin Qasim port

and Gwadar port.

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