Explanation

 The energy value of food is most commonly measured in kilocalories (kcal),

Which are also commonly referred to as "Calories". 

Explanation

"I wasn't feeling well, so I decided not to go to university."

"So" is used to show cause and effect in a simple, natural way. 

"So" fits the informal tone of the sentence and is the most natural choice.

Explanation

It was a proposal formulated by Chakravarti Rajagopalachari

C. R. formula is also known as the Rajaji formula 

In 1942, Chakravarti Rajagopalachar opposed the Congress party by differing against the Quit India Movement 

C. R.'s formula solves the political deadlock between the All India Muslim League and the Indian National Congress 

The CR formula acted as the basis for the negotiations. Gandhi and Jinnah met in September 1944 to ease the deadlock.

Explanation

"Fast" is the correct adverb here.

It describes how the professional drives.

Explanation

 Convection is the transfer of heat through the movement of a fluid, meaning it occurs in liquids and gases. 

Liquids: In liquids, warmer, less dense molecules rise, carrying heat with them. 

Gases: Similarly, in gases, hot molecules move more readily, transferring heat through the space

Explanation

In the 2018 ball-tampering scandal, three Australian cricketers, Cameron Bancroft, Steven Smith, and David Warner, were banned for their roles in the incident.

Explanation

Today's weather is worse than yesterday's."

When comparing two things (today's weather vs. yesterday's), you use the comparative form of adjectives.

The comparative form of "bad" is "worse".

"Bore" is unrelated and refers to boredom, not weather.

"Bad" is the base form and not suitable in a comparative sentence.

Explanation

"Some" is used when offering or requesting an unspecified amount of something, typically uncountable nouns like "rice."

Explanation

 None of these options are completely incompressible.

While solids are the least compressible among the three states of matter (solid, liquid, and gas), all of them can be compressed to some degree. 

Explanation

"All was having bath when the phone rang."

Past continuous tense ("was having") combined with the simple past tense ("rang")