Are these compound sentences?

Question

1. The ozone hole over Antarctica is getting larger and larger every year.
2. Ben made Rachel and me a batch of cookies.
3. We traveled to San Antonio and we visited the Alamo.
4. The car is making a strange noise and I need to go get it checked out.

Answer 1

Sentences 3 and 4 are compound sentences, because they can each be separated into two simple sentences.

3. We traveled to San Antonio and we visited the Alamo.

>We traveled to San Antonio.

>We visited the Alamo.

4. The car is making a strange noise and I need to go get it checked out.

>The car is making a strange noise.

>I need to go get it checked out.