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Pachacha [2.7K]
3 years ago
7

Which event led to the formation of our solar system?

Biology
2 answers:
shepuryov [24]3 years ago
8 0
4.75 billion years ago, a large star near what is now the Solar System went supernova, sending heavy element debris outward into the galaxy. Some of the debris, after traveling long distances through space, collided with a Hydrogen cloud.
Helen [10]3 years ago
7 0

Answer: A solar nebula collapsed.

Explanation:

The most accepted theory of formation of solar system is collapse of molecular cloud having dust and gas - A solar nebula.

Nebula is the birth place of a star. A solar nebula- where Sun was born formed as the dust and gases started clumping together due to gravity. The gravitational collapse of the nebula led to the beginning of the fusion reaction which marked the birth of the star- the Sun. The remnant mass formed planets, moons, asteroids and other constituents of the solar system.

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Mashutka [201]

"Skeletal muscle, also called voluntary muscle, in vertebrates, most common of the three types of muscle in the body. Skeletal muscles are attached to bones by tendons, and they produce all the movements of body parts in relation to each other. Unlike smooth muscle and cardiac muscle, skeletal muscle is under voluntary control. Similar to cardiac muscle, however, skeletal muscle is striated; its long, thin, multinucleated fibres are crossed with a regular pattern of fine red and white lines, giving the muscle a distinctive appearance. Skeletal muscle fibres are bound together by connective tissue and communicate with nerves and blood vessels."

Britannica, The Editors of Encyclopaedia. "Skeletal muscle". Encyclopedia Britannica, 5 Jan. 2018, https://www.britannica.com/science/skeletal-muscle. Accessed 24 May 2021.

Explanation:

I am currently taking biology and the Britannica website has most definitely proven to be a reliable source!

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