Almost three-quarters of the earth’s surface is covered by water. Almost two-thirds of the human body is made up of it. We drink it. We use it in our homes and in industry. As a solid, it’s ice. As a gas, it’s steam.
Almost three-quarters of the earth’s surface is covered by water. Almost two-thirds of the human body is made up of it. We drink it. We use it in our homes and in industry. As a solid, it’s ice. As a gas, it’s steam.