justin5647

On site since: 2018-09-21 08:14:17

Age: 15 years

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Asked questions: 3

Gave answers: 3

Point: 154

Best answer: 1

Questions

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Chemistry, 09.08.2019 06:10

"the combustion of ethylene proceeds by the reaction c2h4(g) + 3o2(g) → 2co2(g) + 2h2o(g) when the rate of disappearance of o2 is 0.23 m s-1, the rate...

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Physics, 09.08.2019 06:10

Describe a practical way to determine in which constellation the sun is found at any time of the year....

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Physics, 09.08.2019 06:10

Why do you think so many people still believe in astrology and spend money on it? what psychological needs does such a belief system satisfy?...

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Physics, 09.08.2019 06:10

Pluto’s orbit is more eccentric than any of the major planets. what does that mean?...

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Physics, 09.08.2019 06:10

Parallaxes of stars were not observed by ancient astronomers. how can this fact be reconciled with the heliocentric hypothesis?...

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Physics, 09.08.2019 06:10

Why is tycho brahe often called “the greatest naked-eye astronomer” of all time?...

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Physics, 09.08.2019 06:10

What were two arguments or lines of evidence in support of the geocentric model?...

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Physics, 09.08.2019 06:10

Give four ways to demonstrate that earth is spherical....

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Physics, 09.08.2019 06:10

Draw a picture that explains why venus goes through phases the way the moon does, according to the heliocentric cosmology. does jupiter also go throug...

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Physics, 09.08.2019 06:10

Explain, according to both geocentric and heliocentric cosmologies, why we see retrograde motion of the planets....

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Physics, 09.08.2019 06:10

From where on earth could you observe all of the stars during the course of a year? what fraction of the sky can be seen from the north pole?...

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Physics, 09.08.2019 06:10

What were four of galileo’s discoveries that were important to astronomy?...

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Physics, 09.08.2019 06:10

Although the copernican system was largely correct to place the sun at the center of all planetary motion, the model still gave inaccurate predictions...

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History, 09.08.2019 06:10

What system of leaders who carry out the work of the government...

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Mathematics, 09.08.2019 06:10

If f(x) = 7x- 3 and g(x) = x2 - 4x- 8, find (f+ 9%). a. (f+9)(x) = x2 – 3x - 5 b. (f+g)(x) = 8x2 - 4x- 11 c. (*+ g)(x) = x2 - 11x-5

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Mathematics, 09.08.2019 06:10

Uhlt test what is a rounded to the nearest whole number? α 19 20 21 22 23 24 25 26 27 28 29 30 31 29 what is a r...

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Mathematics, 09.08.2019 06:10

5) evaluate the expression. s a) 28 - (v144)...

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Mathematics, 09.08.2019 06:10

the largest possible circle is cut out of a square whose side length is 6 feet. what will be the approximate area, in square feet, of the remaining bo...

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Health, 09.08.2019 06:10

Which of the following is a reasonable argument for abstinence?...

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Mathematics, 09.08.2019 06:10

How do you solve this problem b + 2/3=2...