Answer - The main problem caused by water pollution is the effect it has on aquatic life . Such as Dead fish, birds, dolphins, and many other animals often wind up on beaches, killed by pollutants in their habitat .Pollution disrupts the natural food chain as well . This is my opinion because most likely Dead fish and other animals do wind up on beaches and that can cause pollution
The right answer for the question that is being asked and shown above is that: "a.Cyanobacteria are photoautotrophs." The atmosphere that we depend on for our survival is enriched by numerous cyanobacteria. This fact justifies the characteristic of cyanobacteria that is Cyanobacteria are photoautotrophs.
the broken rocks that sit upon the mantle are the lithosphere
Genes are typically hundreds or thousands of base pairs in length because they code for proteins made of hundreds or thousands of amino acids. Most genes contain the information needed to make functional molecules called proteins.
The answer is; desertification
Topsoil is usually the riches soil in terms of nutrient is important in support of plant vegetation. It is rich because it contains humus and other decomposed materials that recycle nutrients. When the topsoil is washed away, the local region becomes barren in that it cannot support vegetation. This causes the area to turn into a desert.