According to reaserche Freshwater can be found on river and lakes it's very important. These water form are important because Freshwater is vital for life, supporting ecosystems and human civilizations. We use freshwater in many aspects of daily life including food production, power generation, manufacturing, and sanitation. ... Access to freshwater will be a defining issue for future generations.
Groundwater, which is in aquifers below the surface of the Earth, is one of the Nation's most important natural resources. Groundwater is the source of about 33% of the water that county and city water departments supply to households and businesses (public supply).
Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells. This process is required to produce egg and sperm cells for sexual reproduction.