Explanation

Ozone (O₃) is a triatomic (three-atom) allotropic form of oxygen

Allotropy: is when an element exists in different forms in the same physical state. 

Oxygen: is the element in question. 

Ozone (O₃): is the specific allotropic form that contains three oxygen atoms in each molecule. 

Diatomic oxygen (O₂): is the other common allotrope of oxygen, containing two oxygen atoms per molecule. 

Explanation

Jeddah Islamic Port is the largest port on Red Sea.

It handles more than 65% of the country's import commodities as well.

It's the country's main port in the Red Sea.

The port contains more than 1700 modern cargo handling equipment.

Explanation

A microscope is designed to magnify tiny, close-up objects that are not visible to the naked eye.

It helps in studying small details of specimens like cells, microorganisms, and other minute structures.

Explanation

Explanation

Chlorine is the gas used to disinfect and purify water.

It is passed through water to kill bacteria.

Explanation

• 60-80 is the normal pulse rate of adult.
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• A normal resting heart rate for adults ranges from 60 to 100 beats per minute.
• A normal resting heart rate should be between 60 to 80 beats per minute, but it can vary from minute to minute.
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Explanation

The human cell contains 46 chromosomes.

These are organized into 23 pairs, where each parent contributes one chromosome to each pair, resulting in a total of 46 chromosomes in most human cells.

This number includes 22 pairs of autosomes and 1 pair of sex chromosomes, determining an individual's sex (XX for females and XY for males).

NOTE: DON'T BE CONFUSED about the pair and number of Chromosomes in the Human body

Total Chromosomes: 46

Pairs of Chromosomes: 23

Explanation

Heat transfer occurs through conduction, convection, and radiation.

Condensation is a phase change process (gas to liquid).

It is not a heat transfer method.

Explanation

Explanation