They each contain chlorophyll that absorbs violet-blue light and reflects green light.
Neutrons are the subatomic particle that remain neutral.
Answer:
missing - biostatics
Explanation:
Longitudinal studies differ from one-off, or cross-sectional, studies. The main difference is that cross-sectional studies interview a fresh sample of people each time they are carried out, whereas longitudinal studies follow the same sample of people over time.
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1. Supplying oxygen to cell and tissue
2. Providing nutrients to cells
3. Protecting your body from infections
