Explanation

The matter has been discussed with her teacher by her.

Rules of Voice Change (Present Perfect Tense):

Active: Subject (She) + has/have + past participle (discussed) + object (the matter).

Passive: Object (The matter) + has/have been + past participle (discussed) + by + subject (her).

Explanation

Chromosomes are thread-like structures made of DNA and proteins, found in the nucleus of eukaryotic cells.

They carry genetic information and ensure its accurate distribution during cell division.

Explanation

The charges of Proton, Electron, Neutron respectively are:

• Proton: Positive charge (+1)
• Electron: Negative charge (-1)
• Neutron: Neutral charge (0)

Explanation

William Wordsworth (1770–1850) was a leading Romantic poet, emphasizing nature, emotion, and individualism in works like "Daffodils" and "The Prelude".

Classical poets (e.g., Alexander Pope) focused on structure and reason.

Wordsworth pioneered Romanticism’s spontaneity and natural beauty.

Explanation

Active Transport:

Requires energy (ATP) to move molecules against the concentration gradient (low → high).

Example: Sodium-potassium pump in cells.

Explanation

سچل سرمست ٽالپر دؤر جو اهم شاعر هو، جنهن صوفي شاعري ۾ وڏو نالو ڪمائي ڇڏيو۔

هن سنڌي، سرائڪي، اردو، ۽ فارسي سميت ڪيترين ٻولين ۾ شاعري ڪئي۔

Explanation

Explanation

Boltzmann's constant (k_B) is a fundamental constant in physics.

The value of Boltzmann's constant is 1.38 × 10^(-23) J/K.

Explanation

First polynomial: 8x² + 10x - 25

Second polynomial: 5x² - 9x - 10

(8x² + 10x - 25) - (5x² - 9x - 10)

= 8x² + 10x - 25 - 5x² + 9x + 10

= 3x² + 19x - 15

Explanation

Fluorine (F) is the most reactive nonmetal and the most electronegative element.

It reacts violently with almost all elements (e.g., water, metals, glass).