There are 115 known elements as of today (Feb. 13, 2016)
so, 'C' is the correct answer
Water is the answer out of all the other options
Complex meaning more complicated and detailed in difficulty
Answer:
The environment Ecosystems are also affected by climate change. Habitats are being modified, the timing of events such as flowering and egg laying are shifting, and species are altering their home ranges. Changes are also occurring to the ocean.
Explanation:
