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3 years ago

Which layer of the earth contains humus?

Chemistry

2 answers:

Tcecarenko [31]3 years ago

5 0

The top layer cause when leaves and branches drop they pile up

gavmur [86]3 years ago

5 0

Greetings!

Most of the Humus found in soil is in the Top Layer of the soil or Topsoil.

Here is the Formation of Soil for Reference:
From the Top Layer to Bottom.

1) Topsoil

2) Subsoil

3) Parent Material

4) Bedrock

Hope this helps.
-Benjamin

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Drag and drop the terms into the correct locations to describe how the relationship between photosynthetic organisms and animals

g100num [7]

Answer:

Photosynthetic bacteria must take in Carbon Dioxide to live, and they release Oxygen . Animals must take Oxygen to live, and they release Carbon Dioxide.

Explanation:

Photosynthesis:

It is the process in which in the presence of sun light and chlorophyll by using carbon dioxide and water plants produce the oxygen and glucose.

Carbon dioxide + water + energy → glucose + oxygen

water is supplied through the roots, carbon dioxide collected through stomata and sun light is capture by chloroplast.

Chemical equation:

6H₂O + 6CO₂ + energy → C₆H₁₂O₆ + 6O₂

Photosynthetic bacteria perform same function as plants. These bacteria contain light harvesting pigments absorb carbon dioxide and release oxygen.

While animals take oxygen and release carbon dioxide to live. This respiration process is opposite to the photosynthesis.

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3 years ago

Half-reaction for the reduction of liquid water to gaseous hydrogen in basic aqueous solution

Elena L [17]

Answer:

2H₂O (liq) + 2e⁻⇒ H₂ (g) + 2OH⁻ (aq)

Explanation:

In reduction-oxidation reaction two reactions take place, one is oxidation and the other is reduction reaction. In an oxidation reaction, there is the loss of an electron whereas in the reduction reaction there is gain of electron occus.

Reduction reaction occurs on the cathode, in a reduction of water there is gain of 2 electrons to gaseous hydrogen in basic aqueous solution. half-reaction for the reduction of liquid water to gaseous hydrogen in basic aqueous solution-

2H₂O (liq) + 2e⁻⇒ H₂ (g) + 2OH⁻ (aq)

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4 years ago

What is opinion definition?

Mariana [72]

Answer:

If your asking for the definition of opinion, it's the belief or judgement of how you see a certain situation, example

Ice cream is the best dessert

That's an opinion since it is not a solid statement that everybody in the world would agree on. So it's how you think of something.

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3 years ago

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Answer:

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Explanation:

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3 years ago

Please help me, or just tell me what laws they are (Boyle's law, Charles

Vlada [557]

Answer:

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2 years ago