2nd+Period+Group+3

[|RED TIDE] Red Tide is a common name for ALAGAL BLOOM (large concentratons of microorgolsms) Red Tideb is a common name for a phenomenon more correctly known as a algal bloom (large concentrations of microorganisms), an event in which estuarine, marine, or fresh water algae accumulate rapidly in water column and results in discoloration of the surface watAn **algal bloom** is a rapid increase or accumulation in the population of [|algae] in an aquatic system. Algal blooms may occur in freshwater as well as marine environments. Typically, only one or a small number of [|phytoplankton] species are involved, and some blooms may be recognized by discoloration of the water resulting from the high density of pigmented cells.er. It is usually found in coastal areas. [] there is algal that is red or green that is in the water and some times the red algal can be poisones or harmful 2 others. HYDROELECTRIC POWER [|Hydroelectric] is the form of reffering to the electricity generated by hydropower te production of electrical power through the use of the gravitational force of falling or flowing water. It is the most widely used form of renewable energy. History: hydropower has been used since ancient times to grind flow and perform other tasks. In the mid-1770's french engineer benaird published architcture hydroualique which descibed vertical and horizontal- axis hydraulic machines.

[|undeground]Undeground makes a large natural height difference betwen two water ways such as a water fall or mountain lake.it shows how the hydroelectricity power is transferd and used.

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