adhanom12
adhanom12
25.02.2020 • 
Biology

Information flow

evolution

interactions within biological systems

relationship of structure to function

pathways that transform energy and mattter

Earth's giant water supply stores a huge amount of heat from the sun during warm periods and gives off heat that warms the air during cold periods. This enables temperatures on the planet to stay within the limits that permit life. and

Life on Earth began in water 3 billion years before spreading onto land.

Two molecules of hydrogen peroxide react to produce two molecules of water and one molecule of oxygen.

The number of electrons in an atom determines the chemical properties of that atom.

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