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This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..
Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the elemen..
Photosynthesis is the process that plants undertake to create organic materials from carbon dioxide and water, with the ..
Autotrophs flourished, absorbing carbon and light. Soon after, primitive life forms that could assimilate oxygen thrived..
The water cycle (also referred to as the hydrological cycle) is a system of continuous transfer of water from the air, s..