Explanation

Discuss means تفصیل سے کسی چیز کے بارے میں بات کرنا

Ignore means جان بوجھ کر بات کرنے یا توجہ دینے سے گریز کرنا

Explanation

Melting of ice changes only the state from solid to liquid.

No new substance is formed, so it's a physical and reversible change.

Explanation

Explanation

The graph of x = a is a vertical line.

It is perpendicular to the y-axis, which is vertical.

Explanation

Caves are mainly formed when water erodes soluble rocks like limestone over long periods.

This process is called chemical weathering.

It is leads to underground hollow spaces.

Explanation

A histogram visually shows the frequency distribution using bars representing intervals.

It helps to understand the distribution and spread of continuous data.

Explanation

The pH scale ranges from 1 to 14, with:

• 1-6 being acidic
• 7 being neutral (neither acidic nor basic)
• 8-14 being basic (alkaline)

Explanation

Given the proportion:

40 : 60 = 50 : a

Let's solve for 'a' using the proportion:

40/60 = 50/a

40a = 50 × 60

40a = 3000

a = 3000 / 40

a = 75

Explanation

"In" shows the relationship between the action and the location — it tells where the noise is made.

A preposition connects nouns or pronouns to other words in a sentence, often indicating place, time, or direction.

Explanation

The US dollar (USD) is the most used currency in the world.

It dominates global trade and finance.

It is the world's reserve currency.

While the Euro is used by the most countries.

The USD has a larger volume of trading.

It is more often used in international transactions.