Explanation

Explanation

Gamma radiation is the most dangerous type of radiation.

it has high energy and can penetrate most materials, including human tissue.

It is highly penetrating and can cause significant biological damage.

Explanation

Chilies are rich in Vitamin C, which boosts immunity and helps in skin health.

They contain more Vitamin C than oranges by weight.

Explanation

The other name for Newton's second law is the law of force and acceleration.

Explanation

Fathom is used to measure the depth of water or the length of a nautical rope or cable.

A fathom is six feet, or 1.8288 meters.

Explanation

An anemometer is an instrument that measures wind speed.

This type of anemometer has a spinning wheel.

Additional Information:

A hygrometer is an instrument used to measure humidity

A salinometer is used to measure the salinity

A bolometer is used to measure the power of incident electromagnetic radiation

A barometer is used to measure air pressure in certain environment.

Explanation

The human brain weighs approximately about 1.4 kilograms or 1400 in gram

and makes up about 2% of the human body weight.

The brain is divided into three regions -

Forebrain,

midbrain, 

hindbrain.

Explanation

The permanent hardness of water is caused by Chloride, Nitrates, Calcium and Sulphates of Magnesium 

Permanent Hardness is not precipitated by boiling 

It is removed by Zeolite

Additional Information:

The Presence of Calcium and Magnesium Bicarbonates causes temporary hardness of water 

Temporary hardness can be removed by boiling the water

Explanation

Explanation

(b) How the carbohydrates, proteins, and fats are digested in humans? (5)

Carbohydrates:
Carbohydrates are broken down into glucose by enzymes like amylase in the mouth and small intestine.

Proteins:
Proteins are broken down into amino acids by pepsin in the stomach and proteases in the small intestine.

Fats:
Fats are emulsified by bile and then broken down into fatty acids and glycerol by lipase in the small intestine.