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True/False. Polluting substances
EduBook Organización
- 3396 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
- 3365 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
- 3201 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
- 3076 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
- 3003 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
- 2865 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
- 2750 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
- 2566 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
- 2479 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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Answer. Plant reproduction
EduBook Organización
- 2210 visitas
Think and answer: Do all plants have flowers? At what time of the year do most plants bloom (produce flowers)? Do you know the name of the species of tree in the photo? What fruit does it produce? What…
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