Explanation

In Karst topography, both gypsum and dolomite are soluble.

They can form karst landscapes through dissolution.

This process is similar to limestone, though it occurs at varying rates.

Explanation

Dengue viruses are spread to people through the bites of infected Aedes species mosquitoes

The mosquito becomes infected when it takes the blood of a person infected with the virus.

After about one week, the mosquito can then transmit the virus while biting a healthy person.24

Explanation

The area 5 degrees north to 5 degrees south of the Equator is known as the Doldrums.

This region experiences calm winds and low pressure, where the trade winds converge.

It often causing minimal wind activity.

Explanation

When outside temperatures are low and there is moisture in the air, small ice crystals are formed.

On their own they are tiny, but when they collide they stick to each other and make snowflakes.

When lots of these particles join together they get heavier and once they are heavy enough they fall to the ground as snow.

Explanation

The vertical movement of air is called air current.

Temperature differences can cause air currents because warmer air is less dense than cooler air, causing the warmer air to appear 'lighter'.

Air currents can be caused by differences in temperature, pressure, or impurity concentration.

Explanation

An EEG (Electroencephalogram) is a test that measures electrical activity in the brain.

It helps detect abnormalities such as seizures, sleep disorders, and other neurological issues.

Explanation

Neutrons have no electric charge, hence they are neutral.

Protons have a positive charge.

Electrons have a negative charge.

Explanation

An isobar is an imaginary line that connects places of equal barometric pressure.

They can be used to find areas of low or high pressure over a large area.

Explanation

A polyp is a projecting growth of tissue from a surface in the body, usually a mucous membrane.

Polyps can develop in the: colon and rectum (ear canal).

Explanation

John Logie Baird, a Scottish inventor, is best known for inventing the world's first working television system in the 1920s.

He revolutionizing communication and entertainment.