Explanation

To find the percentage, divide 210 by 480 and multiply by 100:

(210 ÷ 480) × 100 = 43.75%

Explanation

Percentage = (210 ÷ 420) × 100 = 50%

Explanation

Allay means to reduce or ease (fears, suffering, concerns, etc.).

It fits the context where the government should lessen the suffering of the people.

Explanation

10% of 38 = (10 ÷ 100) × 38 = 3.8

Explanation

Monochromatic light means light consisting of only one wavelength or colour.

It is the opposite of polychromatic, which has multiple colours or wavelengths.

Explanation

Explanation

"Any" is used in negative sentences to refer to an indefinite quantity.

The sentence is negative ("couldn't find"), so "any" fits correctly.

Explanation

"Regain" means to get back something that was lost, like a title or trophy.

It fits here because the players are trying to win back the trophy they once had.

Explanation

Hay fever is an allergic reaction to pollen, causing symptoms like sneezing, runny nose, and itchy eyes.

It is also known as allergic rhinitis.

It is common during pollen season.