Explanation

In Piaget’s second stage (Preoperational stage: ages 2–7), children often show egocentric thinking, meaning they struggle to see perspectives other than their own.

This stage focuses on symbolic play and language, but logical reasoning and empathy are still developing.

Explanation

"To memorize" is the infinitive form of the verb.

It is used here as part of the noun phrase to describe the action of memorizing.

It functions as a complement to the adjective "easy" in the sentence.

Explanation

"White as snow" is a simile because it compares something to snow using the word "as" to highlight similarity.

A simile is a figure of speech that directly compares two things using words like "as" or "like".

Explanation

A reducing agent, also known as a reductant.

It is a substance that causes another substance to be reduced by donating electrons to it.

In the process, the reducing agent itself becomes oxidized, as it loses electrons.

This means that the reducing agent's oxidation state increases. 

Explanation

Euphoria (likely meant Euphorbia) is mostly a xerophyte, adapted to dry conditions, not water.

Lotus, Victoria, and Hydrilla are all hydrophytes, adapted to live in or on water.

Explanation

The stomach secretes pepsin and HCl, which help in protein digestion and killing germs.

Acidic pH in the stomach destroys harmful microorganisms ingested with food.

Explanation

Octopus belongs to the phylum Mollusca, which includes soft-bodied animals often with a shell.

Mollusks include octopus, squid, clams, and snails.

Explanation

یہ حدیث رسول ﷺ کا مفہوم ہے کہ حقیقی مسلمان وہ ہے جس سے دوسرے مسلمان زبان اور ہاتھ سے محفوظ رہیں۔

اس کا مطلب ہے کہ مسلمان کو دوسروں کو نقصان پہنچانے سے بچنا چاہیے۔

Explanation

Fluids are substances that can flow — this includes both liquids and gases.

Unlike solids, fluids have no fixed shape and take the shape of their container.

Explanation

Gamma rays consist of radiations similar to x-rays.

They are high-energy electromagnetic waves with no mass or charge.