Examlex
Which of the following changes in the international arena in the second half of the twentieth century contributed to the end of European colonial rule?
Pigments
Substances that impart color to other materials by absorbing certain wavelengths of light and reflecting others.
Sea Level
The average height of the ocean's surface, used as a base for measuring elevation and depth on Earth.
Electron Transport Chain
A series of protein complexes that transfer electrons from electron donors to electron acceptors via redox reactions and couples this electron transfer with the transfer of protons across a membrane.
Photosystem II
A component of the photosynthesis process in plants and algae that captures photons and uses the energy to extract electrons from water molecules.
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