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Ira Lisetskai [31]

2 years ago

12

5. What is the main force that causes a protostar to become a star?

1 answer:

ValentinkaMS [17]2 years ago

7 0

Stars begin to form from clouds of gas in space. The cold temperatures and high densities (compared to elsewhere in space, but would be considered a vacuum on Earth) of these clouds allow gravity to overcome thermal pressure and start the gravitational collapse that will form a star.

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Define nucleus and nucleolus

RSB [31]

Answer:

Nucleus

the central and most important part of an object, movement, or group, forming the basis for its activity and growth.

Nucleolus

a small dense spherical structure in the nucleus of a cell during interphase.

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2 years ago

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Which statement best describes how light travels?

Effectus [21]

I believe it's the first one.

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How would you describe the relationship that gravity has with mass and distance.

PSYCHO15rus [73]

Answer:

Mass does not affect gravity and distance has an indirect relationship.

Explanation:

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where, G = gravitational constant

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so, gravity depends on the mass of planet, not on mass of object

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When salts are dissolved in water they_

ikadub [295]

They separate into ions

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Which energy sources could provide energy to run an electric vacuum cleaner or power the lights in a football stadium?

jek_recluse [69]

Answer ::

solar,wind,biomass

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