Explanation

The scientists explained the results of the effect of climate change on polar ice caps.

"Results of" correctly shows possession or cause in this context.

Explanation

Single independent clause: "He is poor" is the only clause, with "he" as the subject and "is poor" as the predicate.

"In spite of his cleverness" is a prepositional phrase.

Explanation

Explanation

Time has expunged from his memory all recollections of these terrible events.

Explanation

"Called off" means to cancel or stop something, which fits the context of a strike being canceled.

Example: "The strike was called off after negotiations."

مذاکرات کے بعد ہڑتال کو بلایا گیا۔

Explanation

Break in =>  ناجائز طور پر داخل ہونا

Break in => to enter

Burglars => نقب زن

The burglar broke in shortly. 

Explanation

Explanation

A man is known by the company he keeps means انسان اپنی صحبت سے پہچانا جاتا ہے۔

Explanation

The correct option is Trees help to create peaceful surroundings.

The word "surroundings" is a plural noun, so it requires a plural verb.

In this case, the plural verb "help" agrees with the plural subject "Trees."

Explanation

The correct option is: The Japanese couple at the back of the coach were obviously newly-weds.

In this sentence, "The Japanese couple" is the subject.

Since "couple" refers to two people, the verb should be plural.

Therefore, "were" is the correct verb form to agree with the plural subject.