Explanation

Soil pollution is primarily caused by acid rain.

Acid rain contains pollutants like sulfuric and nitric acids, which can degrade soil quality by altering its pH and harming plant life.

Explanation

The bar is a metric unit of pressure, but not part of the International System of Units (SI).

Bar is defined as 100,000 Pa (100 kPa)

Explanation

Combustion is when fuel reacts with oxygen to produce heat.

Chemical reactions that produce heat we call exothermic reactions.

Most vehicles use an engine to convert heat energy into mechanical energy.

 Mechanical energy gets transferred to the vehicle's moving parts, like wheels or propellers.

Explanation

Hypocenter is the point beneath the Earth’s surface where the vibrations of an earthquake originates and which corresponds to the location where the motion on a fault surface starts.

Explanation

In general, the cancer in a human body is caused by changes to DNA.

DNA stands for Deoxyribonucleic acid

Explanation

Ultra Violet rays: most harmful and are almost completely absorbed by our atmosphere.

Explanation

Latitude: a geographic coordinate that specifies the north–south position of a point on the Earth's surface.