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Artist 52 [7]
3 years ago
15

What are three ways of the atmosphere is important to living things?

Chemistry
1 answer:
UNO [17]3 years ago
7 0
  <span>1. Blocks Ultra violet rays that can be harmful.
2. Provides Oxygen, so we can live. 
3. It blocks meteors from hitting Earth's surface. 
</span><span>
</span>
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Ik im not right.. or am i?
bearhunter [10]

Answer:

The correct answer is option C

sadly, you're wrong

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2 years ago
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Which kind of plate boundary created the Mid-Atlantic Ridge or the chain of volcanoes underneath Atlantic Ocean?
Natali [406]

Answer:

Divergent plate boundary

Explanation:

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3 years ago
A solution of sodium hydroxide was titrated against a solution of sulfuric acid. How many moles of sodium hydroxide would react
jeka57 [31]

Answer:

2 mole of Sodium hydroxide reacts with 1 mole of Sulfuric acid

Explanation:

Write down the equation in the beginning with reactants and products:

NaOH + H₂SO₄ → Na₂SO₄ + H₂0

Now try to balance it. Try with Na first:

2NaOH + H₂SO₄ → Na₂SO₄ + H₂0

Na atoms are balanced. There are 6 Oxygen atoms on the right and 5 on the left. Balance by increasing the H₂O moles:

2NaOH + H₂SO₄ → Na₂SO₄ + 2H₂0

Check if H atoms are also balanced. They are. That means our final reaction is:

2NaOH + H₂SO₄ → Na₂SO₄ + 2H₂0

2 Moles of NaOH reacts with 1 mole of H₂SO₄

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3 years ago
According to the law of conservation of mass, the total mass of the reacting substances is
atroni [7]

Answer:

I would say the last one because mass is not created nor destroyed.

Explanation:

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Examine the photo of quartz below in which way does the quartz break
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Can u add a link please 

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