Answer:
The desert is dry, scorpions thrive in the desert.
Explanation:
No added words, the comma makes the dependent clause hook onto the independent clause.
I believe the answer is D since it is using exclamation marks , which is used to show astonishment or anger the person is feeling. I hoped this helped.
The answer is "All of the above"
I believe it is A. Because of the last sentence saying there would be no indication that it was us who put it their.