Almost all Earth's water is salty and unusable for humans, with the majority stored in oceans. Freshwater is scarce as it is mostly frozen in ice sheets and glaciers.
Nearly 97% of the water on Earth is unusable by humans because of its high salinity. This vast portion of water is primarily found in the oceans, making it unsuitable for human consumption without desalination processes. The remaining freshwater is mostly locked in ice sheets and glaciers, limiting its immediate accessibility for human use.
https://brainly.com/question/26824798