Answer:
special type of relationship between species.
Explanation:
Answer: A.They contain plants that purify water.
<span>Photosynthetic pigments, which absorbs the most sunlight is chlorophyll a.
This is the most abundant pigment in plants which absorbs visible light with wavelengths of 430nm( blue) and 662nm( red). It contains a hydrophobic phytol chain (in a lipid membrane) and a tetrapyrrolic ring (outside of the membrane) that absorbs the energy from light. At the centre of the structure is magnesium, Mg that can accept and donate e-.</span>
