Water: A Planet Full of Blue, Yet So Little and Few. Google Images Water. The most essential inorganic compound found on Earth. Without it, life on this planet wouldn’t be possible. To survive, humans need adequate amounts of both food and water (Spector). However, water (H 2 0) is given top priority because it is the most important compound that our body and planet needs. The human body is composed of about 60% of water, but most importantly, “every living cell in the body needs it to keep functioning” (Spector). In general, Homo sapiens will not survive past 4 days without drinking water (Spector). Water has many important functions in the body that include: protection of skeletal muscles and bones, removal of body waste, digestion, and prevents dehydration (Laskey). Yet, the only safe source of water that humans can consume are freshwater sources such as river and lakes. However, due to erratic climate change issues, clean water...