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Answer:
<u>Option- </u> Passive transport.
- The movement or transport of medium across an area or membrane on the basis of there concentration is termed to be the main mechanism for providing all the vital resources for the cell and tissue survival inside the body.
Explanation:
- Osmosis involves the movement of water molecules across a cell membrane. Diffusion involves the movement of substances other than water across a cell membrane. In both of these processes, substances move from an area of high concentration to an area of low concentration. Thus, both diffusion and osmosis are forms of <u>Passive transport.</u>
Answer:
Heating an atom excites its electrons and they jump to higher energy levels. When the electrons return to lower energy levels, they emit energy in the form of light.
Explanation:
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Pollution adds heat to the air. for example: gas and smoke from cars and trucks etc. climate change will be affected because the heat will cause the weather and atmosphere around to get hotter. clearing pollution will keep the air cleaner.