Explanation

The Activity method focuses on engaging students actively in the learning process, making science more hands-on and experiential.

It is considered an effective method for teaching science at the elementary level in Pakistan, as it encourages exploration and inquiry-based learning.

Explanation

"Can" is a modal verb used to express possibility or ability.

In the sentence, it shows the possibility of her returning tonight.

Explanation

Shah Jehan became emperor in 1628.

The reign of Shah Jahan is considered the "Golden Era" of the Mughal Empire.

It was marked by architectural achievements like the Taj Mahal, and the empire reached its cultural and economic peak.

Explanation

Direct to Indirect: "I saw him here." → She told me that she had seen him there.

Changes: "saw" → "had seen" (past perfect), "here" → "there" (change in place).

Explanation

Fatima Jinnah became the head of the women's wing of the All India Muslim League in 1938.

She played a significant role in mobilizing women for the cause of Pakistan and the political activities of the Muslim League.

Explanation

Explanation

"They" is the correct subject pronoun referring to "the children", who are performing the action (crossing the road).

"Them" is an object pronoun.

Explanation

By whom were you taught such things?

In passive voice, the structure changes to "By whom + auxiliary verb + subject + past participle."

"Were" is correctly placed before "you" to maintain proper question formation.

Explanation

Flatworms (phylum Platyhelminthes) have unsegmented, flat bodies.

Earthworms and tapeworms have segmented bodies.

Explanation

Central Europe includes countries like Germany, Poland, and France, which have high population densities.

This region has well-developed infrastructure, industries, and urban centers, leading to a dense population.