The correct word is given as :-
reated , combat

Correct Option: B

As we can say that ,
The correct word is filled in the above given sentence :-
Scientists, working to save the earth, have reated dry water that soaks carbon three times better than water, and hence helps combat global warming.

Go for the second blank first. What is sarcasm? It is saying the opposite of what you mean. One gets sarcastic in order to mock or insult others. Take an example of sarcasm: You meet an ugly girl. She asks you to accompany her. Repelled by her ugliness, you tell her sarcastically, “I don’t go around with beautiful (obviously, you mean ugly!) girls.” Such a statement pinches the girl. A girl whom you have treated with such “pinching sarcasm” will never be friendly or sympathetic to you in future. You have thus alienated her. Those who arethus “pinchingly sarcastic” have a vitriolic tongue. That is, their words are full of bitterness and hate, and so cause a lot of distress and pain.

Correct Option: B

Go for the second blank first. What is sarcasm? It is saying the opposite of what you mean. One gets sarcastic in order to mock or insult others. Take an example of sarcasm: You meet an ugly girl. She asks you to accompany her. Repelled by her ugliness, you tell her sarcastically, “I don’t go around with beautiful (obviously, you mean ugly!) girls.” Such a statement pinches the girl. A girl whom you have treated with such “pinching sarcasm” will never be friendly or sympathetic to you in future. You have thus alienated her. Those who arethus “pinchingly sarcastic” have a vitriolic tongue. That is, their words are full of bitterness and hate, and so cause a lot of distress and pain.
The correct word is filled in the above given sentence :-
He has a vitriolic tongue; his pinching sarcasm has alienated everyone who has come into contact with him.

The given statement is showing the extent or degree to which a sociological analysis can discover or penetrate. Option (c) is correct. Option (a) is incorrect, because it does not say anything about what is the analysis penetrating into. Option (b) is incorrect, because ‘outer limit’ is basically a slang, which is used to show the maximum extent. Option (d) is wrong, because it is awkward.
The correct word is given as :-
just how far into the subject

Correct Option: C

The given statement is showing the extent or degree to which a sociological analysis can discover or penetrate. Option (c) is correct. Option (a) is incorrect, because it does not say anything about what is the analysis penetrating into. Option (b) is incorrect, because ‘outer limit’ is basically a slang, which is used to show the maximum extent. Option (d) is wrong, because it is awkward.
The correct word is filled in the above given sentence :-
This is about just how far into the subject a sociological analysis can penetrate.

The speaker in the given statement, is trying to emphasize his work and what he is supposed to do, irrespective of his emotional state. Options (c) and (d) hence, can be ruled out. The second clause refers to smiling and being happy, so the contrasting thought would be of sadness and (b) sounds more appropriate.
The correct word is given as :-
even though I am depressed inside

Correct Option: B

The speaker in the given statement, is trying to emphasize his work and what he is supposed to do, irrespective of his emotional state. Options (c) and (d) hence, can be ruled out. The second clause refers to smiling and being happy, so the contrasting thought would be of sadness and (b) sounds more appropriate. Hence, option (b) is the right one.
The correct word is filled in the above given sentence :-
I am an entertainer,even though I am depressed inside, I have to keep smiling because in my heart laughter and sorrow have an affinity.

The correct word is given as :-
bent, determined

Correct Option: C

The correct word is filled in the above given sentence :-
In India is bent on protecting its resources, international business appears equally determined to safeguard its profit.