Question

Read the sentence. Select correct if the sentence does not need any commas. Select incorrect if the sentence needs a comma or commas.

Sentence:
1.)The snail has two pairs of tentacles, but it has only one pair of eyes on the longer tentacles.
correct
incorrect
2.) The snail has two pairs of tentacles but had only one pair of eyes on the longer tentacles.
correct
incorrect
3.) The trilobite cannot be found today for it had been extinct for 245 million years.
correct
incorrect
4.) Leonardo da vinci was a painter, sculptor, musician, engineer, and scientist and he was also amazingly versatile.
correct
incorrect

Answer 1

1.) Correct.
2.) Incorrect. It needs a comma after "tentacles" to separate the independent clauses.
3.) Incorrect. It needs a comma after "today" to separate the independent clauses.
4.) Incorrect. It needs a comma after "scientist" to separate the two items in the list.