Explanation

The painting was stolen last month by them.

The sentence is in simple past tense (stole).

Passive voice of simple past is formed as:

was/were + past participle, hence:

was stolen.

Explanation

Explanation

For a leptokurtic distribution, β₂ > 3:

β₂ = μ₄ / μ₂² > 3

Given μ₂ = 3.5:

μ₄ / (3.5)² > 3

μ₄ > 3 × 12.25

μ₄ > 36.75

Explanation

All data entered into a computer is converted into binary numbers (0s and 1s) for processing and storage.

Computers operate using the binary number system internally.

Explanation

A laser printer uses a laser beam to produce an image on a drum.

The image is then transferred to paper using toner powder.

Explanation

"Carrying a heavy bag" describes the boy, so a present participle is needed to act as an adjective.

"Carrying" shows the action happening at the time we met the boy.

Explanation

غزوۂ حنین کے موقع پر اوطاس کی گھاٹی کو گھیرنے کے لیے ابو عامر اشعری کو بھیجا گیا تھا۔

ان کا مقصد دشمن کی پیش قدمی روکنا اور عقب سے حملہ کرنا تھا۔

Explanation

Families and Allies both end in -ies, showing a plural form with a similar pattern.

Churches and Brushes both end in -es, matching the plural form pattern.

Explanation

Calcium propionate (CH₃CH₂COO⁻Ca⁺) and calcium acetate (CH₃COO⁻Ca⁺) undergo ketonic decarboxylation upon heating.

This reaction forms ethyl methyl ketone (butanone) and releases CO₂.

Explanation

Benjamin Bloom described teaching as a tri-polar process involving teacher, student, and content.

It emphasizes the interaction between all three elements for effective learning.