Rock samples taken from the remains of an asteroid about twice the size of the 6-mile-wide asteroidthat eradicated the dinosaurshas been dated to be 3.47 billion years old and thusis evidence of the earliest known asteroid impact on Earth.
Clause 1: Rock samples (Subject which is plural)...................has been dated and is (verbs which are singular.....ERROR)
Clause 2: 'that' (subject and refers to asteroid)......................eradicated (verb)
Correct answer is E.
Rock samples have
...
Clause 1: Rock samples (Subject which is plural)...................has been dated and is (verbs which are singular.....ERROR)
Clause 2: 'that' (subject and refers to asteroid)......................eradicated (verb)
Correct answer is E.
Rock samples have
...
