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Aleksandr-060686 [28]
3 years ago
10

Which phrase describes a homogeneous catalyst?

Biology
1 answer:
VMariaS [17]3 years ago
4 0

A  .present in many biological reactions

Explanation:

  • A catalyst is a chemical substance that speeds up the rate of chemical reaction.
  • It does not take part in the chemical reaction but facilitates the reaction.
  • A homogenous catalyst is a catalyst that is present in the same phase as the reactants.
  • The exact opposite is a heterogenous catalyst which is in a different phase from the reactants.
  • Homogenous catalysts are present in many biological reactions.

Learn more:

Catalyst brainly.com/question/8413755

#learnwithBrainly

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How and why might actual soils differ from the idealized six-horizon soil profile
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The idealized six-horizon soil profile is not a good representation of all soils because there are big variations, mainly because of the climate factors.

Explanation:

When a soil profile is presented, it is often the one that pretty much everyone knows, the six-horizon profile. This is not a good representation of all soils though, or rather for most of the soils, as the situation in reality is much different. This six-horizon profile is actually idealized, or rather as to how a soil profile should look like.

Lot of the soil types across the world don't have six horizons, or their depths are much different than in the idealized profile. The main reason for this is the climate, as it is the basic factor that later influences all the other ones that influence the formation of soil. We can take the desert soil and polygonal soil as examples:

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  • The polygonal soil is also very poor in nutrients, with the O horizon also being just few mm. This soil lacks rock base, as well as depth, as it is often only few cm deep.

Learn more about soil profile and soil horizon brainly.com/question/6995384

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valentina_108 [34]
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Your answer is B.
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