Explanation

Metacarpal bones are the five long bones found in the hand, connecting the wrist (carpal bones) to the fingers (phalanges).

They form the structure of the palm and provide support for finger movements.

Explanation

Disparate means مختلف

Different means مختلف

Explanation

Magnetic property: Thorium is a ferromagnetic metal, meaning it is capable of being magnetized.

Radioactive property: Thorium is also a radioactive metal, emitting alpha, beta, and gamma radiation due to its unstable atomic nucleus.

Explanation

Fructose is the primary sugar in honey, making it naturally sweet.

It constitutes about 38% of honey's composition, followed by glucose.

Explanation

Rusting of iron is a chemical reaction where iron reacts with oxygen and water to form iron oxide (rust).

Unlike physical changes like melting or bending, rusting involves a chemical transformation.

Explanation

The key element required for solar energy conversion in most solar cells is silicon

It is the most common semiconductor material: Silicon is used in about 95% of solar cells sold today. 

It is a naturally occurring element: Silicon is the second most abundant element on Earth, after oxygen.

Explanation

Cadmium is not a radioactive element.

It is a metal used in batteries and coatings.

Whereas Uranium and Plutonium are radioactive.

They used as nuclear fuels.

Explanation

Hydroelectric power is considered the cheapest and most environmentally friendly source of electricity.

As it utilizes the energy from flowing water without emitting greenhouse gases.

Explanation

Colour blindness is a genetically linked disease.

It typically inherited from one's parents and affecting the genes that code for colour vision.

Explanation

Tea is best cultivated on hill slopes.

As they provide proper drainage, suitable temperature, and optimal sunlight for tea plants.