Examlex
Fetal blood passes from the right atrium to the left atrium via what structure?
Hunting
The activity of pursuing and killing or capturing wildlife or feral animals, primarily done by humans for food, recreation, or trade.
Pollution
The introduction of contaminants into the natural environment that cause adverse change, potentially harming human health and ecological systems.
Living Environment
The sum of all external conditions and influences affecting the life and development of an organism, including natural and man-made factors.
Fossil Fuels
Natural fuels formed from the remains of ancient plants and animals, such as coal, oil, and natural gas.
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