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True/False. Polluting substances
EduBook Organización
- 3513 visitas
Answer true or false: Thermal power plants, vehicles and heaters expel pollutants into rivers. Secondary pollutants are formed from primary and other substances. Acid rain is a result of the formation…
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True/false. Plant nutrition
EduBook Organización
- 3457 visitas
Answer true of false: Plants do not need nutrients. Nutrition is all of the processes that living things use to convert the foods they ingest. Autotrophic organisms make their own food. There are three…
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Introduction - Plant reproduction
EduBook Organización
- 3252 visitas
In this unit we are going to learn about how flowering and non-flowering plants reproduce. The reproductive organs of most plants are in the flowers. It is in this part of the plant that the two…
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Final self-evaluation 9.01 - The Plant Kingdom
EduBook Organización
- 3129 visitas
Are the following sentences true or false? Plants are autotrophic, multicellular organisms. The end products of photosynthesis are carbohydrates and carbon dioxide. All plants have vessels for…
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Final self-evaluation 9.07 - The Plant Kingdom
EduBook Organización
- 3079 visitas
Are the following sentences true or false? Seed-producing plants reproduce asexually. Seed-producing plants can be gymnosperms or angiosperms. Seeds contain a lot of vessels to transport sap. Seeds…
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End-of-unit activities - Plant reproduction
EduBook Organización
- 2891 visitas
In this unit we are going to learn about how flowering and non-flowering plants reproduce. The reproductive organs of most plants are in the flowers. It is in this part of the plant that the two…
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Final Autoevaluation 6.04 - The natural environment. Ecosystems
EduBook Organización
- 2809 visitas
Answer true or false: Soil type does not determine the type of vegetation that occurs. Poorly developed soils have very thin horizons. Plants grow best in soils with very thick horizons. The roots of…
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End-of-unit evaluation - Plant reproduction
EduBook Organización
- 2596 visitas
In this unit we are going to learn about how flowering and non-flowering plants reproduce. The reproductive organs of most plants are in the flowers. It is in this part of the plant that the two…
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The nuclear energy debate
EduBook Organización
- 2531 visitas
The earthquake and subsequent tsunami in Japan in 2011 severely damaged the Fukushima nuclear power plant, causing radioactive leaks. This event has reopened the debate about nuclear energy. In…
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Classify. Angiosperms
EduBook Organización
- 2267 visitas
Identify if the following are characteristics of angiosperm plants: They are unicellular organisms. They have vessels for transporting sap. They have rhizoids. They use seeds to reproduce. The seeds are…
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