Explanation

• High levels of cholesterol can lead to the buildup of plaques in the arteries.
• It causing atherosclerosis, which is a primary factor in heart attacks.

Explanation

Liquids that evaporate quickly are called volatile liquids. 

Volatility refers to the tendency of a liquid to vaporize or evaporate quickly, often at room temperature or below. 

Examples of volatile liquids include:

• Alcohol (e.g., ethanol, isopropanol)
• Acetone
• Gasoline
• Perfumes
• Essential oils

Explanation

Rubber gloves are used by electricians because rubber is an insulator (a bad conductor of electricity).

This property prevents electric current from passing through their hands and protects them from electric shocks while handling live wires.

Explanation

• A barometer is a device used to measure the pressure of the atmosphere.
• It is also known as atmospheric pressure or air pressure.
• It was invented by Italian physicist Evangelista Torricelli in 1643.

Explanation

The human brain is similar to a computer's central processing unit (CPU).

The CPU processes instructions from the keyboard, mouse, and computer programs, and sends commands to other components in the computer.

Similarly, the brain regulates the functioning of all parts of the body.

Explanation

Plants produce sugar and starch using sunlight through photosynthesis.

It is a process where light energy converts carbon dioxide and water into glucose and oxygen.

Explanation

21 March and 23sept equal day and night.

The whole earth experiences equal days and equal nights is called an equinox

In Nairobi (Libya) equal day and night happen.

The shortest day occurs in the Northern Hemisphere is on the 22nd of December

The longest day occurs in the Northern Hemisphere is on 22nd June

Explanation

The lithosphere is the rocky outer part of the Earth.

It is made up of the brittle crust and the top part of the upper mantle.

The lithosphere is the coolest and most rigid part of the Earth.

Explanation

Carbon monoxide (CO) is a poisonous gas that is emitted from the engine of an automobile.

The smoke released from the automobile is due to the combustion of fuels like petrol and diesel.

Explanation

Colour blindness is a genetically linked disease.

It typically inherited from one's parents and affecting the genes that code for colour vision.