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stiv31 [10]
3 years ago
15

What signal do astronomers use to say a star is "born"? * Your answer

Biology
1 answer:
notsponge [240]3 years ago
5 0

Answer:

Idk

Explanation:

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yawa3891 [41]
French fries is the answer
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3 years ago
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A rock sample has a mass of 16 grams and a volume of 8 cubic centimeters. When the rock is cut in half, what is the volume and d
spayn [35]

Answer:

Volume= 4 cm³

Density= 2 g/cm³

Explanation:

We have the following data:

volume= V= 8 cm³

mass= m= 16 g

The density is the mass per volume of a substance, so the density of the rock is:

density= d= 16 g/8 cm³= 2 g/cm³

When we cut the rock in half, we have a half volume and a half mass:

V= 8 cm³/2= 4 cm³

m= 16 g/2= 8 g

But the density is not altered because it is an intrisic property - it does not change with the amount of subtance. Thus, the density of a half rock is:

d = m/V= 8 g/4 cm³= 2 g/cm³

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3 years ago
What would happen if the respiratory system stopped working
Evgen [1.6K]

You would eventually run out of breath, pass out or die, depending on how strong your heart is.


Answer: Probably Death



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6 0
4 years ago
Why is photosynthesis so important on earth?
lyudmila [28]
Photosynthesis<span> is plants taking in water, carbon dioxide, and light to make sugar and oxygen. This is </span>important<span> because all living things need oxygen to survive. All producers make oxygen and sugar for the secondary consumers and then the carnivores eat animals that eat the plants.
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3 0
3 years ago
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Gomez found the masses of three rocks for science project .the first rock had a mess of 19.28 grams, the second rock had a mass
ziro4ka [17]
The combined mass of rock 1 and 2 = 19.28 + 25.3
= 44.58

Difference between rock 3 and combined rocks 
= 46.3 - 44.58
= 1.72 grams

therefore, the third rock was 1.72 grams greater than the combined mass of the other two rocks. 
3 0
4 years ago
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