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olga nikolaevna [1]
3 years ago
12

Which is true if energy in ecosystem

Biology
1 answer:
Lunna [17]3 years ago
7 0

Explanation:

energy flows in only one direction through an ecosystem.

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1 and 3 is right. 2 and 4 aren't really true.
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INFER Which of the following statements describes the structure of nucleotides that
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Answer:

b., c., e. are the answers.

Purines have double rings, whereas pyrimidines have single rings.

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The part of plants that contains structures needed to absorb sunlight and carbon dioxide is the ________?
Eduardwww [97]

Answer:

The part of plants that contains structures needed to absorb sunlight and carbon dioxide is the chlorophyll.

Explanation:

Photosynthesis is the process by which plants produce glucose.

The process of photosynthesis requires light energy which plants get from trapping the sunlight. The area of the plant which contains structures to absorb sunlight and for photosynthesis is the chlorophyll. Chlorophyll contains a green coloured substance termed chloroplast. Chloroplast is the site where photosynthesis takes place. Chloroplast is also the structure which is responsible for giving green colour to the leaves.

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If you placed the celery into a bottle of colored water that was 35% sugar, would the colored water be seen in the celery? Why o
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Explanation:

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2 years ago
What is energy efficiency? Explain why we can think of energy efficiency as an energy resource. What percentage of the energy us
LiRa [457]

Answer:

Energy efficiency is a determination of the amount of work one can obtain from each energy unit used. Improving energy efficiency signifies the usage of less energy to offer a similar amount of work in the forms of heat, light, transportation, and other benefits. This constitutes a largely untapped source of energy, which is clean, abundant, easily available, and cheap.  

About 84 percent of all the commercial energy utilized in the United States does not generate useful work. Approximately 41 percent of this energy generally ends up as low-quality waste heat in the environment due to deprivation of energy eminence levied by the 2nd law of thermodynamics. The remaining 43 percent is wasted needlessly, majorly because of the inefficacy of industrial motors, light bulbs, power plants, and motor vehicles.  

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2. Prolongs supplies of fossil fuels.  

3. Reduced pollution and environment degradation.  

4. Very high energy yield and low cost.  

The three prime reasons that energy efficiency has been neglected are:  

1. Energy stays artificially cheap (subsidies for fossil fuel and mining companies).  

2. Few large and long-enduring incentives for energy efficiency.  

3. Prices do not comprise cost of health and environmental influences.  

4 0
3 years ago
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