Explanation

🔹 1 BTU = 1055.06 Joules (approx.)

🔹 1 BTU = 252 calories (approx.)

🔹 1 Joule = 0.0009478 BTU

🔹 1 kWh = 3412 BTU, linking electrical energy to heat energy.

🔹 Commonly used in heating/cooling systems

🔹 Named after the British engineers who developed early thermal measurements

Explanation

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

Distance: ~93 million miles (150 million km) on average.

Speed of Light: ~186,282 miles/second (300,000 km/s) in a vacuum.

Travel Time: Approximately 8 minutes, 20 seconds (or 500 seconds).

Explanation

Breakbone fever is another name for Dengue.

It is a viral disease transmitted by Aedes mosquitoes.

It causing severe joint and muscle pain.

Explanation

300 grams is the weight of the heart of an adult human being.

The average gross weight of the heart was  for men 289.6 g

The average gross weight of the heart was  for women 284.7 

At the age of 61-70 years, the average weight of men was 345.9

At the age of 61-70 years, the average weight of women was 285.1

*****ٓAdditional Informations*****

A human brain weight is 1400 grams.

Explanation

A dentist diagnoses and treats tooth decay, cavities, and other dental problems.

Caries refers to tooth decay or cavities caused by bacteria.

It affects enamel and dentin of the teeth.

Early treatment prevents pain, infection, and tooth loss.

The specialist for oral health issues should be consulted.

Explanation

Hemophilia is a genetic blood disorder passed from parents to offspring.

It causes failure of normal blood clotting, leading to excessive bleeding.

Explanation

During photosynthesis, plants release oxygen (O₂) as a by-product.

Carbon dioxide is absorbed, not released, during this process.

Formula: 6CO₂ + 6H₂O + sunlight → C₆H₁₂O₆ + 6O₂

Oxygen released supports breathing for humans and animals.

Explanation

James Chadwick is known for his discovery of the neutron in 1932. 

Proton: Protons were discovered by Ernest Rutherford, before neutrons.

Electron: Electrons were discovered by J.J. Thomson, much earlier than protons or neutrons.

Positron: A positron is the antiparticle of an electron, and it was discovered by Carl Anderson in 1932. 

Explanation

Mood disorders affect a person’s emotional state.

In some disorders, moods alternate between high and low extremes.

This can affect daily life, relationships, and work performance.

Proper diagnosis is important for treatment and therapy.

Bipolar disorder causes extreme mood swings between mania (high) and depression (low).

Unlike unipolar depression, it involves both elevated and depressed moods.

Manic episodes may include high energy, rapid speech, and risk-taking behavior.

Treatment usually involves mood stabilizers and psychotherapy.

Explanation

Amnesia is a common term used to describe memory loss.

Loss can be temporary or permanent, but "amnesia" usually refers to temporary diversity.

Causes include head and brain injuries, certain medications, alcohol, traumatic events, or conditions such as Alzheimer's disease.