Explanation

 a² - b²  = (a+b) (a-b)

Explanation

Bloons fly in the air, the reason is low-density

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Balloons that float are typically filled with helium gas, 

Helium gas is less dense than the gas in our air. 

When the air inside the balloon is heated, the molecules in the air begin to move around and spread out,

The air in balloon becomes less dense.

Explanation

Analogies question:

Problem figure:

Answer figure

Explanation

A(b+c) =  (ab + ac)

Explanation

Juan Manuel Santos was the winner of the Nobel Peace Prize in 2016

Explanation

 If a number is evenly divisible by 2 then it's an even number,

otherwise, it's an odd number.

We can also say when we divide a number by 2 and there is some remainder left,

which is not divisible again by 2,

then it's an odd number.

Explanation

 A mechanic sees the machine.

Similarly, a doctor sees the patient.

ND18-9-2023

Explanation

2.

Explanation

Error means خرابی

Mistake means غلطی

Explanation

"Am" is a verb. 

"I" is a pronoun and "sick" is an adjective; as it comes between them, we can say that it is a verb.