The early Greeks considered "air" to be one of four elementary substances; along with earth, fire, and water, air was viewed as a fundamental component of the universe. By the early 1800s, however, scientists such as John Dalton recognized that the atmosphere was in fact composed of several chemical...
Each year, the human population around the world increases and with it the degree of excessive consumption that leads to the waste of materials into the sea. ... The estuarine system supports resident species, migratory, and also to the external, coming from one of the 3 mouths which has the system to the sea. ... It has unique Conditions in pH, nutrients, temperature due to the mixing of fresh and salt water and serves as a settlement area and sediment retention; material that does not go to sea, where it could affect corals (Laureano, 2011). ...
When most people think of wetlands the first thing that will pop into their mind will be visions of swamps and flooded plains. These marshy lands would seem to have no purpose, while in reality they are the most precious forms of ecosystem that we have in America. Wetlands contribute to biodiversity, clean water, flood control, and provide a habitat for millions of species of plants and animals. Even with all this wetlands still face mass destruction, much like the rain forests they are just as productive and face similar rates of devastation (Mitchell, J. (1992, October). "Our Disappearing We...
