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Vika [28.1K]
3 years ago
13

What are 5 interesting facts about hydrogen?

Biology
1 answer:
mestny [16]3 years ago
7 0

Answer:
1) Liquid hydrogen has the lowest density of any liquid.
2) Hydrogen is the chemical element with the symbol H.
3) Hydrogen is the most abundant chemical substance in the universe, constituting roughly 75% of all baryonic mass.
4) Atomic mass: 1.00784 u
5) Atomic number: 1
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How are humans connected to photosynthesis? *Include the words: autotroph, cellular respiration, energy, photosynthesis*
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Photosynthesis and cellular respiration interconnect plants and human beings.

Explanation:

Plants prepare their own food and are autotrophs. Humans depend on autotrophs both directly and indirectly for food and are heterotrophs.

Heterotrophs consume both plants and animals to get energy

Photosynthesis: reactants - sunlight, carbon dioxide and water; products – sugar, oxygen

Cellular respiration: reactants - glucose and oxygen; products – water, carbon dioxide  

Carbon dioxide (end product) released due to cellular respiration by the humans enters the atmosphere and is absorbed by the plants which become a reactant in photosynthesis.

Oxygen (end product) released due to photosynthesis by plants enters the atmosphere and is inhaled by human beings and becomes a reactant in cellular respiration.

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3 years ago
What happens if a defendant is acquitted
Yuliya22 [10]
A verdict of not guilty constitutes an acquittal. In other words, to find a defendant not guilty is to acquit. At trial, an acquittal occurs when the jury (or the judge if it's a judge trial) determines that the prosecution hasn't proved the defendant guilty beyond a reasonable doubt
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3 years ago
Glass shattering in to pieces
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Answer:

I think it’s physical change, because the objects aren’t changing into another substance, just changing their physical shape. Hope this helps!

Explanation:

Brainliest?

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A. Cell wall

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There are more than two compounds that act as greenhouse gases. There are some things like Ozone, Water vapor, Nitrous oxide, etc.

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