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topjm [15]
2 years ago
9

A teacher had her students write down hypotheses about an experiment. Which is a valid hypothesis? (1 po If Earthquakes occur, t

hen tornados could occur at the same time. If people like the smell of burning wood, then they would not like the smell of gasoline. O All living organisms are made from at least one cell: O Energy gets transferred among all the organisms of a food chain.​
Chemistry
1 answer:
Alja [10]2 years ago
3 0

if people like the smell of burning wood, then they would not like the smell of gasoline

Explanation:

it's a supposition without any real truth to back it up

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determine if the pennies are made of pure copper by comparing the density with that of the pure copper
zhenek [66]

Answer:

The pennies are NOT made of pure copper since the obtained density is 9.29 g/cm3 which is greater than the density of copper which is 8.96 g/cm3.

Explanation:

4 0
2 years ago
5
andriy [413]

Answer:

reaction 1 and reaction 4 both are decomposition reactions

while reaction 2 is double displacement reaction and reaction 3 and 5 are combination reactions

5 0
3 years ago
Which term describes this molecular shape?
worty [1.4K]

Answer: C

Explanation:

4 0
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Which planet formed near the sub where the solar system l’s temperatures were very high
Harrizon [31]

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Mars

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Terrestrial or inner planets like Mars and Venus were formed near the Sun where the solar system's temperatures were very high.

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Conversion of minus 1 coulomb meter in debye
Viktor [21]

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-1 Coulomb meter = -2.997 × 10²⁹ Debye

Explanation:

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-1 Coulomb meter = -299,792,458,178,090,000,000,000,000,000 Debye

-1 Coulomb meter = -2.997 × 10²⁹ Debye

3 0
2 years ago
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