Genetics is central to biology because gene activity underlies all life processes, from cell structure and function to reproduction. The principles of heredity was initially established in the 19th century by:

european union policies. the eu's long-term objective is to achieve levels of air quality that do not result in unacceptable impacts on, and risks to, human health and the environment. eu policies aim to reduce exposure to air pollution by reducing emissions and setting limits and target values for air quality.

the main environmental problems in western europe were: energy production/acid rain, nuclear power/waste, air pollution/climate, heavy metals, pesticides, water pollution, solid waste, and unforeseen accidents. many environmental problems are common to most european countries.

the pic attached shows the stages of mitosis. hope it !

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what is the statement?