Explanation

Explanation

Explanation

Cross-Pollination Benefit:

• Transfer of pollen between different plants introduces new genetic combinations, enhancing biodiversity and resilience.
• Results in healthier offspring (disease resistance, adaptation to environments).

Explanation

Lightning provides the high energy needed to break the strong bonds of nitrogen (N₂) in the atmosphere.

This allows nitrogen to combine with oxygen, forming nitrites and nitrates that plants can absorb.

Explanation

Metal is a good conductor of heat, so it quickly transfers heat from the hot object (like tea or soup) to your hand.

Plastic is an insulator, meaning it does not transfer heat well, so it feels cooler to the touch.

Explanation

Explanation

Diamond is a crystalline form of carbon where atoms are arranged in a regular, repeating lattice structure.

This structure gives diamond its hardness and brilliance, unlike coke or charcoal, which are amorphous.

Explanation

Fractional distillation separates the components of petroleum based on their boiling points.

It produces useful products like petrol, diesel, kerosene, and more.

Explanation

Peptide Bond Hydrolysis: Each peptide bond (linking two amino acids) requires 1 water molecule to break.

4-Amino Acid Chain: A tetrapeptide has 3 peptide bonds, thus needing 3 water molecules for complete hydrolysis.

Example:

Ala-Gly-Val-Ser (4 amino acids) → Broken into 4 separate amino acids using 3 H₂O molecules.

Explanation

An airplane's wings are shaped to push air downward, which creates an upward force called lift.

This lift balances the force of gravity, allowing the plane to stay in the air.