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.
Answer:
People with dyslexia process language in a unique way and use the right side of their brain.
Explanation:
You can combine the two sentences by putting an 'and' in the middle, and removing the "people with dyslexia" from the second sentence. I hope this helps :)
C, not sure the whole context but through this brief bit that is what I assume.
Answer:
pitiful and dreadful I suppose