1. The professor spoke about gravity, he showed many examples of how gravity is calculated.
a) Run-on sentence
b) Correct

2. A university library is an important part of a campus, but it is not the only place student can study.
a) Run-on sentence
b) Correct

3. Please include your student number on the application, it is necessary for registration.
a) Run-on sentence
b) Correct

4. The Amazon River is home to many indigenous cultures, and it provides transportation for these people.
a) Run-on sentence
b) Correct

5. The computer lab is closed, so you will need to print your paper somewhere else.
a) Run-on sentence
b) Correct

6. You need to phone the office and speak to someone in charge of payments.
a) Run-on sentence
b) Correct

7. There are several methods of communication, body language is an example.
a) Run-on sentence
b) Correct

8. Although many people are unemployed, the savings rates in this country have increased.
a) Run-on sentence
b) Correct

9. Web design is increasing in popularity, this is because there are many job in this field.
a) Run-on sentence
b) Correct

10. The history of jazz music in North America has been well documented, but few people can name more than two or three jazz musicians.
a) Run-on sentence
b) Correct