Answer:
c. An example of sustainable use is that water extracted from underground resources must be equal to or less than the water that recharges the underground resources Human population must decline for the foreseeable future to maintain
Explanation:
Sustainability is the capacity by which an element, system or process, remains active over time. The element resists, endures, remains. Also, there is a compatibility between the activity considered and the preservation of biodiversity and ecosystems, avoiding the degradation of the source and sink functions such as water.
The structure A in the question seems missing but the given answer is based on the description given in the question.
Answer:
The gaseous exchange of carbon dioxide(CO2) and oxygen(O2) occurs through small, regulated openings called stomata during photosynthesis.
Therefore the Structure A is Stomata
Answer:
sorry I don't know understand
i think the answer is evaporation
hope i helped:)