Answer:
??????????
Step-by-step explanation:
D. Warm air rises and cool air sinks
I’m not sure if this is correct but here is a picture of what I think the answer might be. P.S my handwriting is not neat
Answer: B
Step-by-step explanation:
When B is simplified, it becomes x^2-3x-10. This is a polynomial because it has more than two terms(3).
Hope it helps <3