WATER IN LIVING THINGS
In some organisms, up to 90% of their body is made up of water. Water is found in the boom of animals and is the main componen of cell cytoplasm.Living things need water to carry out life proceses. Plants and animals use water for process of nutrition. Aquatic animals use water for interaction and reproductor. Water also regulates the body temperature of living things.
WATER AND HUMANS
Adult human:63% water. The precentage decreases with the age.An adult should drink 1.5 l of water every day. Seawater cannot be consume by human beings in its natural state. Drinking unclean water can cause ilness. (3.4 million people die each year from water-related diseases.
WATER AND CLIMATE
Earth´s aclimates pones are determinated by average temperature and precipitation levels that occur in each region. Coastal región have milder and less varied climates than inland regios. Ocean crurrents help to transport heat between regions and regulate Earth´s temperature.
WATER AND LANDSCAPE: water modifies Earth´s surface
Glaciares and rivers from valleys, and deltas are created between calm seas and rivers. Beaches and cliffs are formed by erosion and deposition from seawater. Galleries and caves are formed by erosion from ground water.