Explanation

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

According to the Big Bang theory, the universe is expanding.

The universe is currently 13.8 billion years old.

According to Big Bang Theory, the Universe began about 10-20 billion years ago.

Big Bang theory explains Origin of Universe.

At the time of the big bang, Time was zero.

Explanation

AIDS stands for Acquired Immunodeficiency Syndrome.

It is caused by the HIV virus.

The virus primarily attacks the immune system.

This weakens the body's defense against infections and diseases.

Explanation

Physiotherapy, is a healthcare profession that focuses on the assessment, diagnosis, and treatment of disorders and injuries that affect the physical function of the body.

Physiotherapists work to restore, maintain, and maximize a patient's strength, function, movement, and overall well-being.

Physiotherapy typically deals with:

• Immobility of joints and muscles
• Injuries or conditions affecting the musculoskeletal system (e.g., back pain, arthritis, sports injuries)
• Neurological conditions (e.g., stroke, spinal cord injury, Parkinson's disease)
• Cardiovascular and respiratory conditions (e.g., heart disease, chronic obstructive pulmonary disease)

Explanation

Friction can be reduced by changing from sliding to rolling.

Replace sliding friction with rolling element friction.

Such as with the use of rolling element bearings.

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

• Venus, often called the "Evening Star" or "Morning Star," appears in the western sky after sunset.
• Venus is the brightest planet.
• It has an atmosphere but no moons.
• It's identical in size, chemistry and gravity.
• It has volcanoes, mountains and sand.
• It's also called Sister Planet of the Earth.

Explanation

Explanation

Evaporation happens when a liquid turns into a gas.

It can be easily visualized when rain puddles “disappear” on a hot day or when wet clothes dry in the sun.

In these examples, the liquid water is not actually vanishing—it is evaporating into a gas, called water vapor.

Explanation

Calcium oxalate is the most common compound found in kidney stones.

It forms when excess calcium and oxalate in the urine combine, creating hard crystals that can grow into stones.