Explanation

In the early period, the endemic known as the "Black Death" is the plague.

The plague is a pandemic disease that devastated Europe in the 14th century, killing an estimated 75 to 200 million people, approximately 30-60% of Europe's population.

Explanation

At the top of the waterfall, energy is stored in the form of gravitational potential energy

but when it falls, it gets converted from potential to kinetic energy

Potential energy due to the object's height above the Earth is converted to kinetic energy as it falls

Explanation

Malaria is caused by Plasmodium parasites.

The parasites are spread to people through the bites of infected female Anopheles mosquitoes, called "malaria vectors.

Explanation

IMPORTANT QUESTIONS AND INFORMATION RELATED TO "GREEN HOUSE EFFECT"

Green House Effect means the Trapping of Solar energy due to atmospheric carbon dioxide

The greenhouse effect is a good thing.

It warms the planet to its comfortable average of 57 degrees Fahrenheit (13.9 degrees Celsius)

The greenhouse effect keeps life on earth, well, livable.

The Green House Effect is caused by an excess of Carbon dioxide

The greenhouse effect causes Global warming

Methane gas is 80 times potent than CO2 in Green House Effect

ND2-03-2023

RY 23-12-2022

Explanation

Rene Laennec, a French physician, invented the stethoscope in 1816.

He created the first stethoscope using a wooden tube that allowed him to listen to the heart and lungs of a patient without placing his ear on their chest.

Explanation

Tooth enamel is the white, visible part of the tooth and it is also the hardest part of the human body.

 The main mineral composition is hydroxyapatite, a crystalline of calcium phosphate.

Explanation

Capillary action is the process of a liquid flowing in a narrow space without the assistance of, or even in opposition to, any external forces like gravity.

Explanation

In a direct relationship, one variable follows the same change when it comes to increasing and decreasing.

For example,

Ø  when the pressure increases then the temperature also increases.

Ø  When the pressure decreases, then the temperature decreases.

Explanation

Astronomy is the study of everything in the universe beyond Earth's atmosphere.

That includes objects we can see with our naked eyes, like the Sun , the Moon , the planets, and the stars 

Explanation

Vestigial organs are organs, tissues or cells in a body

Which are no more functional the way they were in their ancestral form of the trait.