Explanation

Explanation

The mass per unit volume of a substance is called density (density = mass/volume).

• The formula of Density is: D=m/v
• ****
• Here D is density,
• M is mass &
• V is Volume.
• Density is commonly expressed in units of grams per cubic centimeter.
• The standard units are kg/m³

Explanation

The subject "Cockroach" is singular.

So the correct verb is "runs" (present tense, singular subject).

Explanation

The sentence uses inversion — the verb ("is") comes before the subject ("a highly elaborate form of communication").

“Among bees is a highly elaborate form of communication” is grammatically correct.

Explanation

Collect means جمع کریں

Scatter means بکھرنا

Explanation

A bat is to cricket as a stick is to hockey — both are essential playing tools.

Explanation

Stop means روکنا

Go means جاؤ

Explanation

Placing plants near a window ensures they are in a location to receive sufficient light.

"Near" is the most appropriate preposition to describe this logical proximity to a light source.

Explanation

The relationship is something that encloses or surrounds — a frame surrounds a picture, like a border surrounds a country.

Explanation

Cricket and Football are two different forms of sports.

Similarly, Prose and Poetry are two different forms of literature.