Explanation

Ostriches, like some other birds, eat pebbles and small stones to help with digestion. 

They swallow these pebbles, which then accumulate in their gizzard, a muscular organ in the digestive system.

The pebbles help grind up the food.

It especially tough plant material, in the gizzard, making it easier to digest.

This process is called "grit digestion".

Explanation

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

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

Explanation

Human bones do not contain Oxygen as a primary component

Human bones are primarily composed of calcium phosphate (Ca₃(PO₄)₂), which contains calcium (Ca) and phosphorus (P).

Bones also contain carbon (C) as they have organic components like collagen.

However, bones do not contain elemental oxygen as a distinct component,

Though oxygen is present in bone compounds (e.g., phosphates and carbonates).

Explanation

The Equator is the reference line for latitude and is defined as 0° latitude.

It dividing the Earth into the Northern and Southern Hemispheres.

Explanation

Benton means اچھے اخلاق

Good manners means اچھے اخلاق

Explanation

Biology is the scientific study of all living organisms.

It including their structure, function, growth, and interactions.

Explanation

Explanation

• Carbon dioxide: 0.04%
• Oxygen: 21%
• Nitrogen: 78%
• Other gases: 1%

• Carbon dioxide: 4.4%
• Oxygen: 16%
• Nitrogen: 79%

Explanation

Eugenics is the science of improving the human species by breeding out disease and disabilities, aiming to enhance the genetic quality of the human population.

This concept has been widely criticized and discredited due to its association with unethical practices, such as forced sterilization and discrimination.

Explanation