For the first question, the answer would be the hydrosphere (D). For the second it would most likely be the average yearly weather patterns in a given area (C). For the last question, it would be the biosphere (D).
This is true to an extent but also false. It can be an offgaurd pic or it can be a deep in mind pic.
Protecting the biodiversity of the environment and salvaging ecoregions I think ensures sustainable human progress and prosperity and ensuring the earth is protected from degradation and over cultivation and pesticides also ensures that hunger and poverty will be alleviated and more emphasis needs to be put on renewable resources which will also provide jobs.