Explanation

Vitamin K helps to make various proteins that are needed for blood clotting and the building of bones.

Prothrombin is a vitamin K-dependent protein directly involved with blood clotting.

while 

Vitamin C may protect the body against the effects of pollution.

It may also prevent blood clots and reduce bruising.

ND12_8_2023

Explanation

A solar eclipse can only take place during the phase of the new moon

when the moon passes directly between the sun and Earth and its shadows fall upon Earth's surface.

Explanation

Confusion

Meteorology is a branch of the atmospheric sciences.

Metrology is the scientific study of measurement.

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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  

Dermatology:  Study of skin

Explanation

Explanation

Sunlight travels at the speed of light.

Sunlight an average of 8 minutes and 20 seconds to travel from the Sun to the Earth.

Light from Sun travels a distance of  150 Million km before it reaches Earth

Moonlight an average of 1.3 seconds to travel from the moon to the Earth.

ND16-3-2023

Explanation

Bronze is an Alloy consisting primarily of copper, commonly with about 12-12.5% tin .

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RY 23-12-2022

Explanation

علم الحشرات، وہ علم جو حشرات کی ساخت سے تعلق رکھتی ہے

Entomology Insects: کیڑے مکوڑے یا حشرات 

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Entomology is the study of insects and their relationship to humans, the environment, and other organisms.

RK12-12-22

Explanation

• Sunlight is a good source of vitamin D.
• When our skin is exposed to sunlight, it produces vitamin D.
• It is essential for bone health, immune function, and the regulation of calcium levels in the blood.

Explanation

• Humidity in the air was measured by a Hygrometer.
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• A hygrometer is an instrument used to measure relative humidity.
• Humidity is the measure of the amount of moisture in the air.
• A psychrometer is an example of a hygrometer.
• hygrometer.
  
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• The humidity in the air tells us about the ratio of Water vapors in the air

Explanation

• 60-80 is the normal pulse rate of adult.
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• A normal resting heart rate for adults ranges from 60 to 100 beats per minute.
• A normal resting heart rate should be between 60 to 80 beats per minute, but it can vary from minute to minute.
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