Explanation

انسانی دل، ہاتھ کی بند مٹھی یا ایک ناشپاتی کی شکل سے ملتا جلتا کہا جاسکتا ہے جو اپنی عام جسامت میں بھی ایک مٹھی ہی کے برابر ہوتا ہے۔ یہ سینہ کے جوف (خانے) میں درمیان سے ذرا سا بائیں جانب ہٹا ہوا اور مائل (oblique) یعنی آڑی حالت میں رکھا ہوتا ہے، اس کا راس نیچے (پیٹ کی جانب) رخ کیے ہوتا ہے۔

Explanation

The cross product of two vectors A × B ≠ B × A; in fact, A × B = –(B × A), so it is not commutative.

However, it does obey the distributive law over addition, and associative law applies with scalar multiplication but not for three vector cross products.

Explanation

Carolus Linnaeus developed the binomial nomenclature system for naming organisms.

Each species is given a two-part Latin name: Genus and Species (e.g., Homo sapiens).

Explanation

Angular frequency (ω) measures how quickly something moves through an angle in circular motion.

It's given by:

$$omega = frac{2pi}{T} = 2pi f$$

Where:

• $T$ = time period

• $f$= frequency

While it’s also used in oscillations, it is fundamentally defined from circular motion.

Explanation

Bauxite is the most common aluminum ore. Approximately 98% of primary aluminum production is based on bauxite

Explanation

Fat-soluble vitamins are absorbed along with fats in the diet and are stored in the body's fatty tissue and in the liver. They are found in many plant and animal foods and in dietary supplements. Vitamins A, D, E, and K are fat-soluble.

Explanation

Life span: 8,10 days

Vitamin k also helps in blood cloting

Explanation

Metamorphic rocks are rocks formed from existing rocks whose mineralogy, chemistry, and texture  have  changed due to heat and pressure in the depths of the Earth's crust.

Explanation

Highest levels of vitamin C are found  in Black currants & guava

Explanation

The energy extracted from the vaporised liquid as evaporation occurs will decrease the temperature of the liquid, resulting in a process known as evaporative cooling.