These days, the Department of Labor enforces roughly 180 worker protection laws, ranging from pay requirements to parental leave benefits. Other protections are supervised by agencies such as the U.S. Equal Employment Opportunity Commission. Below are some of the key federal protections offered to employees.
About 71 percent of the Earth's surface is water-covered, and the oceans hold about 96.5 percent of all Earth's water. Water also exists in the air as water vapor, in rivers and lakes, in icecaps and glaciers, in the ground as soil moisture and in aquifers, and even in you and your dog.
Â· just now. Report Abuse. Water is a mixture because it is made up of molecules that are composed of two atoms of hydrogen and one atom of oxygen. An atom is the smallest particle of a pure substance (element) that has all the properties of that substance.A molecule is made up of a number of atoms bonded together.ater is not an element but it is an organic chemical that is required for life as we know it to exist. H2O is pure water. Water can have a lot of other things in it to make it not a pure substance. Water is the standard of our scientific realm. It is the universal solvent (water dissolved the Grand Canyon, ya know).