C2F GLOSSARY

ALL THE WORDS YOU NEED TO KNOW FOR C2F SINGLE SCIENCE, OCR BOARD - HIGHER TIER, CHEMISTRY

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C2f
Atmospheric pollution ­ contaminates of the environment that are
a by-product of human activity. They include particles (smoke)
and gases such as sulphur oxide.
Combustion ­ burning of a substance with oxygen to release
energy. Another word for burning.
Deforestation ­ destruction of forests caused by excessive cutting
down of trees.
Photosynthesis ­ the process in which plants convert water and
carbon dioxide into oxygen and glucose using the energy from the
Sun.
Respiration ­ a process that takes place in living cells converting
glucose and oxygen into water and carbon dioxide with a release
of energy.

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