It’s atomic mass is what the number means.
B the atomic number is 20 and then you subtract atomic mass to find the neutrons
Answer:
Wetlands are important features in the landscape that provide numerous beneficial services for people and for fish and wildlife. Some of these services, or functions, include protecting and improving water quality, providing fish and wildlife habitats, storing floodwaters and maintaining surface water flow during dry periods. These valuable functions are the result of the unique natural characteristics of wetlands.
-58 °C
The melting point is the same as the freezing point.