Explanation

The smallest two-digit number is 10.

The largest two-digit number is 99.

Subtract the smallest from the largest:

99 - 10 = 89

Explanation

The correct sentence is:

"Many people think that education is necessary, not for women."

Here, "necessary" is the correct adjective to describe education.

Explanation

The Exosphere is the outermost layer of Earth's atmosphere.

It extends from about 500 km to 10,000 km above Earth.

This layer gradually transitions into space and contains very few air molecules.

Explanation

Spirogyra, Volvox, and Chlamydomonas are all types of algae.

They are simple, photosynthetic organisms.

They belong to the Kingdom Protista.

They are commonly found in freshwater environments.

Explanation

An adverb of reason explains why something happens.

"Hence" means for this reason or as a result, making it an adverb of reason.

Examples:

He was unwell; hence, he didn't attend the meeting.

Explanation

Conservative – Curriculum preserves traditional knowledge and values.

Critical – It encourages analysis and questioning of concepts.

Creative – It fosters innovation and new ideas in education.

Explanation

Explanation

Using trigonometry, specifically the sine function:

sin(θ) = opposite side (height) / hypotenuse

Given:

θ = 45°

hypotenuse = 10 feet

Rearrange the formula to solve for height:

height = hypotenuse × sin(45°)

= 10 × (√2 / 2)

= 10 × √2 / 2

= 5√2 feet

Explanation

نادار مساکین پر خرچ کرنے والے کو وہی ثواب ملتا ہے جو حج و عمرہ کرنے والے کو ملتا ہے۔

اسلام میں غرباء و مساکین کی مدد کو بہت زیادہ اجر و ثواب کا ذریعہ قرار دیا گیا ہے۔

Explanation

Air does not directly maintain the nitrogen cycle; rather, nitrogen-fixing bacteria play a key role in converting atmospheric nitrogen into usable forms for plants.

Air acts as a propagating medium for sound, supports the water cycle, and helps in the pollination of seeds by carrying pollen grains.