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Explanation

Group O can donate red blood cells to anybody.

It's the universal donor.

Group kind O negative blood is occasionally called the generic blood donor type.

Only 7% of the population is O negative.

 ND23-4-2023

Explanation

The ampere, symbol A, is the SI unit of electric current.

It is defined by considering the fixed  value of the elementary charge e as 1.602 176 634 x 1019,

where the unit C is equal to As and the second is defined by Δν Cs.

Explanation

Explanation

Accumulate means جمع کرنا

Spend means خرچ کرنا

Lessen means کم کرنا

Explanation

10 men complete a job in 14 days, so the total work equals 10 men × 14 days.

With 4 men, the work remains the same, but takes longer.

Multiply the original duration by the ratio of men: 14 days × (10/4) = 35 days.

Therefore, 4 men take 35 days to finish the job at the same rate.

Explanation

"Pakistan's polio immunization campaign began in 1974, but eradication efforts officially started in 1994.

The country had the most polio cases worldwide in 2014."

Explanation

Negligent: Requirement :: Easy : Hard

Explanation

Day : Sun :: Night : Moon

Explanation

Tenacious means مضبوط

Soft means نرم

Explanation

The phrase "sat on the committee" is an idiomatic expression that means to be a member of a committee or to participate in its proceedings.

The correct sentence would be:

"Some distinguished teachers sat on the committee which recommended expansion of higher education."