Explanation

PTC stands for Primary Teaching Certificate.

It is a qualification for teaching at the primary school level.

It is typically awarded after completing training to teach in primary schools.

Explanation

Water makes up about 70% of the cell's composition.

It is crucial for various cellular processes, including biochemical reactions and maintaining cell structure.

Explanation

Itself reflects the action back to the subject (the frog).

Reflexive pronouns are used when the subject and object are the same.

Explanation

Solve the equation: 2x + 3 = 9 → 2x = 6 → x = 3.

The value of x = 3 satisfies the equation.

Explanation

"Pulling" makes sense in the context of a car moving slowly, implying it's being dragged or maneuvered.

Pulling means کھینچنا

Explanation

Babur laid the foundation of a centralized administrative system in the Mughal Empire after its establishment in 1526.

He introduced organized revenue collection and governance practices that were later refined by his successors.

Explanation

Iron rusts when it reacts with oxygen and water in the air, forming iron hydroxide (Fe(OH)₃).

This compound eventually dehydrates to form iron oxide, the reddish-brown rust.

Explanation

1 is not a prime because a prime number has exactly two distinct positive divisors (1 and itself), and 1 only has one.

1 is not composite because a composite number has more than two factors.

Explanation

SO2 (Sulfur Dioxide) is a toxic gas that, when present in the air.

It can cause lung diseases.

It has been linked to an increased risk of cancer, including stone (kidney) cancer.

It is mainly produced by industrial processes and the burning of fossil fuels.

Explanation

"Condone" means to overlook or accept something wrong.

The sentence correctly reads: "He does not condone anti-social habits."