It might be conservation energy if it isn't that that I don't know what else it'd be.
For example, use the food web of a savannah biome.
Let's say the hippos all disappeared. Because the hippos are prey for the tertiary predators like a hyena, the population of the predators would decrease while the population of the grass increased.
If the predators disappeared the preys' population would spiral out of control and all the primary producers like leaves and grass would become scarce. Additionally, the decomposing carcass of animals like dead predators and prey create food for microorganisms which make fertile soil; thus, causing the land to become barren.
Answer:
An increasingly city-focused world, with more and more cities --- Urbanism
An increase city-focused world, with more and more cities--- Urbanization
A territory that
spreads outward from the main city center to include suburbs and the surrounding towns--- Metropolitan area
the development of manufacturing and other industry in society or country--- Industrialization
Explanation:
I just did it
It protects life from the damaging rays of the Sun. Also provides air for life as well.
The Answer is B
Hope This Helps!!!!!!