3 years ago

Which scientist proposed the idea of a sun-centered solar system instead of an earth-centered solar system?

1 answer:

5 0

Nicolaus Copernicus

This theory was first proposed by Nicolaus Copernicus. Copernicus was a Polish astronomer. He first published the heliocentric system in his book: De revolutionibus orbium coelestium, "On the revolutions of the heavenly bodies," which appeared in 1543.

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Cubes are three-dimensional square shapes that have equal sides. What is the density of a cube that has a mass of 12.6 g and a m

sweet-ann [11.9K]

I got 3.07cm³. Its just 12.6 divided by 4.1

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2 years ago

During photosynthesis, what is the source of the carbon in<br> the sugar (CH20) that is created?

irakobra [83]

Answer:

Carbon dioxide

Explanation:

During photosynthesis cells use carbon dioxide and energy of sun to make sugar molecules and oxygen.

Hope i helped u...

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2 years ago

Streak is a reliable identifier of a mineral. true or false

inysia [295]

Answer:

true?

Explanation:

Im positive but not 100% sure wait for someone else to answer and see if they say the same.

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3 years ago

Read 2 more answers

1. Two forces F~ 1 and F~ 2 are acting on a block of mass m=1.5 kg. The magnitude of force F~ 1 is 12N and it makes an angle of

VLD [36.1K]

Answer:

Normal force=7.48 N

Explanation:

N+F~1 sinθ-mg=0

=>N=1.5*9.8-12 sin37◦

=>N=14.7-7.22=7.48 N

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2 years ago

The candle burning

vodka [1.7K]

Answer:

Explanation:

its oxygen I hope i am correct have a great day.

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2 years ago