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Setler [38]
2 years ago
11

Why do northern lights appear in different colors?

Biology
1 answer:
Romashka-Z-Leto [24]2 years ago
4 0
<span> The aurora is caused by the interaction of high-energy particles (usually electrons) with neutral atoms in earth’s upper atmosphere.</span>
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Nutrients are brought to spongy bone through which mechanism? (2 points)
Kisachek [45]

Nutrients are brought to spongy bone by diffusion through canaliculi

  • Diffusion through the canaliculi

<h3>How is bone tissue nourished?</h3>

Nutrition is provided by the so-called Nourishing Foramina, which are openings in the bone through which blood vessels, veins and arteries pass. Also with regard to nutrition, Volkmann's canals provide the main entry route for vessels to cross compact bone.

With this information, we can conclude that Volkmann canals also contain nutritional vessels arising from the periosteal and endosteal bone surface.

Learn more about spongy bone in brainly.com/question/15263086

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3 0
1 year ago
Human beings everywhere have essentially the same biological constitution, yet their paths through the life span are remarkably
Andrew [12]

Answer:

Their culture

Explanation:

Culture is the total pattern of customs, ideas, beliefs, art, and technology of a particular group of people or society. It distinguishes the paths through life span of human beings despite having essentially the same biological constitution. It is the way of life of a particular group of people, that is socially transmitted from generation to generation

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3 years ago
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Fiesta28 [93]

Answer:

MRNA ou RNA?

Explanation:

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2 years ago
Does the shape of the pyramid illustrate The concept of ecological efficiency of 10%
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There are so many examples for that in different areas, like biology experiment carried out in our lab recently.

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When the expression of one allele is masked by the presence of another it is said to be what??
Bezzdna [24]
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