Commas Vs Semicolons

There was an accident on Route 38 last night, several people got hurt.

• There was an accident on Route 38 last night, several people got hurt.

• Because there was an accident on Route 38 last night several people got hurt.

•  There was an accident on Route 38 last night, or several people got hurt.

• There was an accident on Route 38 last night, and several people got hurt.

Quantum mechanics is a branch of physics, it was initially developed to explain atoms.

• 
  Quantum mechanics is a branch of physics; it was initially developed to explain atoms.

• Quantum mechanics a branch of physics, and was initially developed to explain atoms.

• Quantum mechanics is a branch of physics, it was initially developed to explain atoms.

• 
    Quantum mechanics is a branch of physics; It was initially developed to explain atoms.

The project needs to be completed by the end of the month, the deadline I believe is August 30th

•  The project needs to be completed by the end of the month; but the deadline is August 30th.

• The project needs to be completed by the end of the month; the deadline is August 30th.

•  The project needs to be completed by the end of the month. And the deadline is August 30th.

Pick the sentence that uses the semicolon correctly

• Robin Hood stole from the rich; he also gave to the poor.

• Robin Hood stole from the rich, he also gave to the poor.

• Robin Hood; stole from the rich; he also gave to the poor.

Pick the sentence that uses the comma or semicolon correctly.

• My favorite dessert is not ice cream, it's frozen yogurt

• My favorite dessert; is not ice cream it's frozen yogurt.

• My favorite dessert is not ice cream; it's frozen yogurt.

• My favorite dessert, is not ice cream; it's frozen yogurt.

Lucas put on a few pounds during the holidays__ so he decided to join a gym.

• 
  ;

• ,

• :

• no punctuation needed

We spent the last six hours calling the airport__ nevertheless, the missing luggage has not turned up.

• no punctuation needed

• 
  :

• 
  ,

• ;

Which punctuation mark do I use between independent clauses (related in meaning) with a conjunction in between?

• Semicolon

• Comma

• Colon

• None of the Above

Which of the following lists is correct? 

• I invited Beth, my roommate; Jessi, my friend; and Katie, my mom.

• I invited Beth, my roommate, Jessi, my friend, and Katie, my mom. 

• I invied Beth; my roommate; Jessi; my friend; and Katie; my mom.

• I invited Beth, my roommate: Jessi, my friend: and Katie, my mom.

What can you replace the comma with? 
I will go to Santa Cruz, it is one of my favorite places.

• two commas

• nothing

• apostrophe

• semicolon