Generally unfavorable weather conditions are associated with a low pressure area. In a low pressure area, the atmospheric pressure is low compared to the pressure of nearby areas, and the air tends to be unstable.
Answer: A. Paris is an old city, but some is even more ancient.
Explanation:
A is a compound sentence because the there are two complete sentences in the sentence. “Paris is an old city” is a complete sentence. “Some is even more ancient” is another full sentence. If there are two or more complete sentence separated by a conjunction, then It is a compound sentence. B is not a compound sentence, because there is only one complete sentence.
A flood of acetylcholine releasing into the body's muscle system.
3x+2=29
3x=27
x=9
Hope this helps
Here using symbols demonstrates your feelings, and so the reader/viewer/listener and understand the topic more clearly and their reactions will be more likely as you think