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IRISSAK [1]
2 years ago
13

Help me asap plz? :

Biology
2 answers:
aleksley [76]2 years ago
5 0
Breathing rate is controlled by breathing in co2 into your lungs and breathing out co2 hope this helps
Zina [86]2 years ago
4 0

Answer:

Rate is controlled by breathing in co2 into your lungs and breathing out co2 hope this helps

Explanation:

<h2>Hope this helped</h2>
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10 ml of a 3% hydrogen peroxide solution is added to five test tubes. As the hydrogen peroxide decomposes to produce oxygen gas,
Soloha48 [4]

Answer:

D) Iron compounds are a catalyst for the decomposition of hydrogen peroxide.

Explanation:

The reaction of descomposition of hydrogen peroxide (H₂O₂) to produce oxygen (O₂) is:

2H₂O₂ → 2H₂O + O₂

Based on the data of potential catalys effects on reaction rate:

A) Iron compounds are always used as catalysts.  <em>FALSE. </em>It is possible to know that, for this reaction, iron compounds are acting as catalyst but there is no information about all reactions to know that iron compounds are always catalysy

B) Reaction rate is always increased by iron compounds.  <em>FALSE. </em>Again, for this reaction iron compounds increases reaction rate but it is not possible to know that reaction rate is always increased by iron compounds.

C) Increasing the temperature increases the rate of decomposition.  <em>FALSE. </em>There is no information about temperature of reaction.

D) Iron compounds are a catalyst for the decomposition of hydrogen peroxide. <em>TRUE. </em>As both iron compounds increases the rate of reaction, it is possible to say that iron compounds are a catalyst for the descomposition of hydrogen peroxide.

I hope it helps!

6 0
3 years ago
Where do spindle fibers come from
erik [133]

Spindle fibers are formed from microtubules with many accessory proteins which help guide the process of genetic division. Each spindle fiber forms during cellular division near the poles of the dividing cell. As they extend across the cell, they search for the centromere of each chromosome

3 0
3 years ago
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Which question can be using the scientific process
maxonik [38]

Answer:

I'm not great with this subject... but what are the questions given? I may be able to help in that way

Explanation:

8 0
2 years ago
When constructing the dna molecule what did you notice about the orientation of the two strands?
Anastaziya [24]
They were veary diifent so tehy make diif genes
3 0
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What gas is used in the process of photosynthesis
tamaranim1 [39]

Answer:Carbon Dioxide

Explanation: Plants use carbon dioxide, oxygen and water in photosynthesis. Photosynthesis is the process by which plants make food, for themselves and indirectly.

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3 years ago
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