Explanation

A binomial expression contains exactly two terms, and x² + y² fits that definition.

x²y² is a monomial (single term).

x + y + 1 is a trinomial (three terms).

Explanation

وقف (،) کا استعمال اشیاء کی فہرست میں درست انداز میں ہوا ہے۔

اس سے جملے کی روانی اور مطلب دونوں واضح ہو جاتے ہیں۔

Explanation

Attrition is the process where rocks and pebbles grind against each other, causing them to wear down.

It occurs mainly in rivers or along the coast due to movement and collision.

Explanation

Secure means محفوظ

Safe means محفوظ

Explanation

She requested her sister to help her in completing her assignment.

"Said to" with "please" changes to "requested" in indirect speech.

Pronouns change appropriately: me → her, keeping the meaning intact.

Explanation

Called off means منسوخ کرنا

Cancel means منسوخ کرنا

Explanation

The sentence expresses a strong emotion or feeling — in this case, love or admiration.

Sentences showing emotions and ending with an exclamation mark are exclamatory.

Explanation

Whereas is used to contrast two ideas or qualities in one sentence.

It correctly shows the contrast between "she is funny" and "he is boring."

Explanation

The sentence is in present perfect tense ("have lost"), so the passive voice should be in the form: has/have been + past participle.

"Our basket of chocolates has been lost by us" correctly matches this structure.

Explanation

Cell wall is not a part of animal cells; it is found only in plant, fungal, and bacterial cells.

Animal cells have a cell membrane, cytoplasm, and vacuole (though smaller than in plant cells).