1.) All living things are made up of one or more cells.
2.)Living things come from pre-existing cells.
3.)The cell is fundamental structure of structure and function in all living organisms.
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Answer is
A) Electrón trasport chain
Answer:
1. Answer: Light can travel in a vacuum, and its speed is constant if the source is moving or stationary.
Light travels at constant speed in vacuum even if the source is moving or stationary. If the source is moving, the apparent frequency/ wavelength changes.
Because, it is the process by which they make or produce their food with the help of sunlight, water and carbon dioxide.
If photsynthesis is not there then there would be no production of food and ultimatley plants will die.