Explanation:
Nutrient deficiency causes yellowing of leaves. One of such nutrient is Nitrogen.
- Leaves are green because of a pigment in them called chlorophyll.
- The chlorophyll in leaves are used by plant to absorb light energy needed for photosynthesis.
- Other wavelength of light is absorbed by the chlorophyll and the green color is reflected.
- Nitrogen is an important nutrient that is needed to produce chlorophyll in plants which in turn helps the process of photosynthesis.
Learn more;
Photosynthesis brainly.com/question/2761166
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Neutrons have a zero charge but consist of mass.