Explanation

Biology

Life and living organisms, including their structure, function, growth, evolution, and interaction with their environment.

Geology
The Earth, its materials (rocks, minerals), structure, and the processes that shape it (earthquakes, volcanoes, plate tectonics).

Chemistry

Matter, its properties, how it interacts, combines, and changes (chemical reactions, molecular bonds, atomic structure).

Physics:

The fundamental forces and principles of the universe, such as energy, motion, force, and the nature of matter.

Explanation

The small intestine is the longest part of the digestive system.

It extends from the stomach (pylorus) to the large intestine (cecum).

It consists of three parts: duodenum, jejunum and ileum.

Explanation

Phases of the moon occur because we can see only that part of the moon which reflects light towards us.

The changing shape of the bright part of the Moon that we see is called its phase.

The moon is illuminated because it reflects the light from the sun.

The part of the moon facing the sun is lit up.

The part facing away from the sun is in darkness.

Explanation

Explanation

Explanation

Weight of the adult men brain $=49$ ounces
So, $49$ ounces
$=\frac{49}{16}$  pounds
$=3.0625$ pounds
Therefore, the weight in pounds is $3.0625$.

Explanation

Carbon dioxide is a colorless and non-flammable gas at normal temperature and pressure.

The bubbles in fizzy drinks are caused by carbon dioxide (CO2).

Soft drink manufacturers add fizz by dissolving carbon dioxide into the water at high pressures.

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Explanation

• Bats can also fly in the dark because they are capable of taking the help of   Ultrasonic Waves 
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• concept:
• They are guided by ultrasonic waves produced by them.
• Bats are guided by ultrasonic waves which they produce and enable them to fly in the dark
  
  

Explanation

The flu is caused by an influenza virus

Flu Risk Factors · chronic lung diseases such as asthma

ND2-03-2023

Explanation

A radiation dosimeter is a device that measures dose uptake of external ionizing radiation.

It is worn by the person being monitored when used as a personal dosimeter, and is a record of the radiation dose received.