<span>The capillary walls have openings that allow large proteins and small cells to pass through.
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The answer is pollution.
Groundwater is water under the surface of the Earth which is widely used as a source of freshwater. Thanks to its position, it is not as much vulnerable to pollution such as surface water. However, some leaking of landfills, septic systems and agricultural chemicals that can reach it deep down under the surface can cause groundwater pollution.
Digestion of fats occur in duodenum which is a part of small intes tine.
The segment that determines a particular trait is called a gene.
Answer:
uses light as its energy source and carbon for organic compounds.
Explanation:
The purple non-sulfur bacteria which depends on light produces organic food just like plants through the process of photosynthesis. The purple non-sulfur bacteria uses carbondioxide and water with sunlight produces oxygen and glucose which is an organic compound. So that's why purple non-sulfur bacteria is also known as phototrophic means organism that produces their own food through photosynthesis.
