Explanation

The discomfort of breathing in an unpressurized cabin is due to a Low pressure of O2.

Explanation

The potato (Solanum tuberosum) has 48 chromosomes in its somatic (diploid) cells.

Its diploid number is 2n = 48, which is important for breeding and genetic studies.

Explanation

In the photoelectric effect, photons strike a metal and release electrons.

In x-ray production, high-energy electrons strike a metal and emit photons — the reverse of the photoelectric effect.

Explanation

CONGRATULATED (مبارکباد دی)

Praised (تعریف کی)

Explanation

Number of absences is a countable quantity (0, 1, 2, ...), so it's discrete data.

Discrete data deals with whole numbers, not fractions or decimals.

Explanation

Magnesium ions (Mg²⁺) are essential for the association of the small and large subunits of ribosomes.

Without adequate Mg²⁺ concentration, the ribosomal subunits remain dissociated, hindering protein synthesis.

Explanation

The reaction NaOH + HCl → NaCl + H₂O is a neutralization reaction between a strong base and a strong acid.

The enthalpy change in such reactions is called the heat of neutralization.

Explanation

In oscillatory motion, such as that of an oscillating charge, velocity varies continuously.

It is zero at extreme positions and maximum at the mean position, so it is changing.

Explanation

If matrix A has an order of 3x4, then its transpose, denoted as AT, will have an order of 4x3

Explanation

CONFIDENTIAL (خفیہ)

Secret (راز)