1. he said he was an aerospace engineer
2. she says she works in the National History Museum
3. the Doctor said their son studies at university
4. the Astronaut said they are in space
5. He says he teaches physics to his friend
6. Mother says she loves the youngest girl
I believe the answer would be strike. i hope this helps!
The heat was in the summer when it was hot.
Based on the given sentence above, I can say that it is a compound sentence. What makes this sentence compound is that, it consists of two independent clauses and are connected by a coordinating conjunction "so". Therefore, the answer for this would be the last option: two independent clauses.
