Answer:
Step-by-step explanation:
Zero represents sea level.
15 is above sea level because it’s a above 0.
-25 is below sea level because it’s below 0.
Second pic
Zero represents negative and positive degrees ( not sure how to word it )
-5 degrees is below average because it’s below 0.
55 degrees is above average because it’s above 0.
Third pic
Zero represents average temperature
-30 degrees is below average because it’s below 0
70 degrees is above average because it’s above 0
Fourth pic
Zero represents sea level
-10 feet is below sea level because it’s below 0
20 feet is above sea level because it’s above 0
