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xenn [34]
3 years ago
12

©

Biology
1 answer:
Vadim26 [7]3 years ago
7 0

Answer:

See explanation

Explanation:

Electroplating involves the coating of one metal on another metal. It is an electrochemical process. The positive electrode is the coating metal while the negative electrode is the metal on which the coating is to be performed.

Since copper is to be coated on an iron nail. A copper plate is made the positive electrode while the iron nail should be the negative electrode.

The electrolyte used in the process should be a copper salt e.g CuSO4 solution.

As electrolysis progresses, the copper electrode(positive electrode or anode) gradually wears away due to the fact that the copper ions are going into the solution and are being deposited on the iron nail.

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mrs_skeptik [129]

Answer:

The correct answer would be c) food molecules.

A vacuole is a membrane-bound cell organelle present usually in the center of the plant cell.

It contains a high amount of water as it plays important role in maintaining the turgor pressure of the cell.

In addition, it contains a high amount of ions (such as K⁺, Mg²⁺, Ca²⁺), food molecules (such as glucose, sucrose, fructose), organic acids (such as malic, tartaric, quinic) and waste material.

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6 0
2 years ago
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Answer: C. Cancer

Explanation:

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Explanation:

Hope it help.

4 0
2 years ago
Rank the following ecosystems in order of their net primary productivity, from lowest to highest:________. a) open ocean. b) tro
katrin [286]

desert, open ocean, lake, tropical rain forest

Explanation:

The net primary productivity tells us about how productive an ecosystem is. It is usually derived by the difference between the amount of carbon dioxide that producers used to the amount they release during their cellular respiration.

  • The rainforest is the biome with the highest amount of net productivity.
  • The amount of sunlight and organic matter used up during photosynthesis is very large.
  • The tropical rain forest receives the highest amount of sunlight because the sun is overhead here.
  • This provides energy to drive photosynthetic process in the presence of other available resources.
  • Deserts are bare and lacks plants due to the extreme conditions here not favorable to life.
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learn more:

Producers brainly.com/question/9684714

#learnwithBrainly

4 0
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