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Anni [7]
3 years ago
5

What is index of refraction

Biology
1 answer:
bonufazy [111]3 years ago
6 0

Answer:

In optics, the refractive index of a material is a dimensionless number that describes how fast light travels through the material. It is defined as n={\frac {c}{v}}, where c is the speed of light in vacuum and v is the phase velocity of light in the medium

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Explain the difference between intra-species and inter-species competition.
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Answer:

Intraspecific competition is when organisms within the same species compete for resources. <u>Interspecific competition is when competition for resources happens between different species of organisms.</u>

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1 year ago
The thickest part of the crust occurs in _____.
lana [24]

Answer:

Option (3)

Explanation:

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For example, the thickest part of the crust is the Mt. Everest which lies in the great Himalayan range, which has started to form about 50 million years back. It is geologically the most recent mountain range.

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