Protect. The immune system protects the body from diseases and harmful pathogens. The skeletal system keeps you upright and supports you with help from the muscles.
Answer:
The wave nature of light is the fundamental resolution of an optimal instrument.
Explanation:
All the optical instruments are working on light that's why they are known as optical instrument. Optics means the behavior of light or sight. Light is an electromagnetic radiation which comes in the category of electromagnetic spectrum. It travels in the form of wavelength.
So, optical instruments are based on wave nature of light.
A way for animals to avoid competition.
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