Explanation

"Sent" is a transitive verb because it requires a direct object ("an email") to complete its meaning.

A transitive verb always acts on something—here, "email" receives the action of "sent."

Explanation

Maria Montessori emphasized learning through hands-on experiences using concrete materials.

Her method fosters independent learning in a prepared environment tailored to the child's development.

Explanation

The Psychoanalytic Theory by Freud suggests that morality comes from the superego, which develops in early childhood.

The superego forms through identification with parents' values and rules, especially during the preschool years.

Explanation

A standard compact disc (CD) is 120 mm (12 cm) (4.75 inches) in diameter and 1.2 mm (0.05 inch) thick.

This size is widely used for storing data, music, or video.

Explanation

راس الامر الاسلام و عمودہ الصلوة ایک حدیث ہے جس کا مطلب ہے "اسلام کا سرِ ستون نماز ہے"۔

یہ حدیث نبی صلی اللہ علیہ وسلم کی طرف سے آئی ہے اور نماز کی اہمیت کو بیان کرتی ہے۔

Explanation

The sentence combines the two ideas using the relative adverb "where," which links the place (town) with the action (grew up).

This construction clearly expresses both the location and the action in a grammatically correct manner.

Explanation

Magnetic field lines around a straight current-carrying wire are circular, not straight.

They form concentric circles around the wire as per Right-Hand Rule.

Explanation

Imagery involves using detailed and sensory-rich language to evoke mental pictures and emotions in the reader's mind.

It appeals to the senses, helping the reader experience the scene, sounds, smells, or feelings described.

Explanation

Pressure is inversely proportional to area (Pressure = Force / Area), and the pointed end has a much smaller area.

Thus, the same force produces greater pressure at the pointed end, allowing it to pierce surfaces easily.

Explanation

Given:

ab + bc + ca = -4

a² + b² + c² = 17

Using the identity (a + b + c)² = a² + b² + c² + 2(ab + bc + ca):

(a + b + c)² = 17 + 2(-4)

= 17 - 8

= 9

a + b + c = ±√9

= ±3