Explanation

Explanation

The poles experience six months of the day and six months of the night.

This is since earth is tilted on its axis.

Also, due to this, each pole is tilted towards and away from the sun for about six months.

When the North Pole is tilted towards the sun, it has continuous daylight.

Explanation

Dermatology:  Study of skin 

It involves the study of health conditions that may affect the skin, fat hair, nails, and membranes. 

Additional information:

Agrostology: Study of Grasses 

Agronomy: soil management and crop production 

Odontology: study of teeth 

Arthrology: Study of joints 

Nephrology: study of kidneys

Hematology: Study of blood  

Explanation

A chronometer meter measures time .

Chronometer is to measure accurately the time of a known fixed location

for example Greenwich Mean Time (GMT).

Explanation

Meter is the SI unit of length.

It is used to measure distance or height.

Explanation

Bronchitis is a disease related to the respiratory tract.

It is characterized by inflammation of the bronchial tubes.

It leads to coughing and breathing difficulties.

Bronchitis is a condition that develops when the airways in the lungs.

It usually happens because of a virus that irritates the lungs

such as:

• tobacco smoke
• fumes
• dust
• and air pollution

Explanation

Acid rain contains high levels of sulphuric acid and nitric acid.

It formed when sulfur dioxide (SO₂) and nitrogen oxides (NOx) react with water in the atmosphere.

These acids contribute to environmental damage.

Explanation

Global warming began to accelerate with the advent of the Industrial Revolution, due to increased greenhouse gas emissions.

Since the start of the Industrial Revolution, in about 1750,

Human activities  have increased greenhouse gas concentrations in our atmosphere. such as :

• burning fossil fuels
• including coal and oil
  

Explanation

Thalassemia is a genetic blood disorder caused by an abnormality in hemoglobin production.

It leads to reduced oxygen-carrying capacity of red blood cells.

Explanation

Decibel (dB) is the unit used to measure sound intensity.

Which is related to the amplitude of a sound wave.

The amplitude of a sound wave determines the loudness of the sound

One decibel (0.1 bel) equals 10 times the common logarithm of the power ratio.