Explanation

• Rotation speed: 15° per hour.
• Rotation: Once every 24 hours.
• Direction: West to East.
• Equator speed: 1,670 km/h.
• Revolution around Sun: 365.24 days.
• Rotation causes day and night.

Explanation

Since 12 pumps can empty the tank in 20 minutes, the rate at which they empty the tank is 1 tank / 20 minutes.

With 2 pumps out of order, we have 12 - 2 = 10 pumps left. Since the rate is directly proportional to the number of pumps, the rate of the remaining 10 pumps is:

10/12 × (1 tank / 20 minutes) = 1 tank / 24 minutes

So, the remaining 10 pumps will take 24 minutes to empty the tank.

Explanation

An illative conjunction expresses an inference or conclusion.

Such as "so," "therefore," or "thus," connecting ideas by indicating a logical result.

Explanation

"Exposure" fits here as it suggests a deep familiarity and understanding of the subject.

It helped minimize students' doubts.

Explanation

The correct sentence would be: "What brought about this quarrel?"

The phrase "brought about" is an idiomatic expression that means "caused" or "led to".

Explanation

The sentence "She is absolutely incredible!" is an exclamatory sentence, and the mark used is an exclamation mark (!).

The exclamation mark is used to indicate strong emotions, emphasis, or excitement, which is fitting for the sentence's positive and enthusiastic tone.

Explanation

In the sentence "The hand has five fingers", the word "five" is an adjective modifying the noun "fingers".

It describes the number of fingers, so it's an adjective.

Explanation

In the sentence "Well, I don't think I will be home before 6 pm", the word "well" is an interjection.

In this sentence, "well" is used to express a sense of hesitation, resignation, or softening the tone of the statement.

Explanation

The sentence "She is my mother-in-law" contains a hyphen (-) which is used to join two words (mother and in-law) to form a compound adjective.

It modifying the noun "She".

Explanation

The correct phrase is "to fly in the face of."

This meaning to openly oppose or defy something.

It often going against common beliefs or norms.