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True/false. The geography of population
EduBook Organización
- 8230 visitas
Are the following statements true or false?: The fertility rate shows the number of children per woman per year. The rate of natural increase is the difference between the birth rate and the mortality…
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Obtaining and using energy
EduBook Organización
- 7969 visitas
Energy drives the Universe and is part of all the changes which take place on Earth. The Sun is our main source of energy. Without it, there would be no life and most other sources of energy would not…
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Compare. Polar and mountain climates
EduBook Organización
- 7168 visitas
Look at the climographs and compare the two cold climates: What are the temperatures in polar climates like? What is the average annual temperature? What is the precipitation like? When does it rain…
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Summaries - Rivers and seas
EduBook Organización
- 4409 visitas
1. Water in nature Some 97.21% of the planet’s water is salt water and is found in: Oceans: large bodies of water that separate continents; there are five oceans on Earth. Seas: extensions of the…
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Initial evaluation 15.02 - Human Societies
EduBook Organización
- 4356 visitas
Human societies have evolved over time. Match the characteristics with each type of society: The social and political model is authoritarian and hierarchical. Unions representing workers begin to…
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End-of-unit evaluation - Obtaining and using energy
EduBook Organización
- 4313 visitas
Energy drives the Universe and is part of all the changes which take place on Earth. The Sun is our main source of energy. Without it, there would be no life and most other sources of energy would not…
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Before you start - Obtaining and using energy
EduBook Organización
- 4185 visitas
Energy drives the Universe and is part of all the changes which take place on Earth. The Sun is our main source of energy. Without it, there would be no life and most other sources of energy would not…
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True/false. Transporting water from the root to the leaves
EduBook Organización
- 3850 visitas
Answer true or false: Transpiration of water through the stomata in the leaves is a continuous evaporation process. The xylem vessels are very thin in diameter. Less than 1 mm in diameter. A stoma is a…
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Interpret. Tropical climate
EduBook Organización
- 3720 visitas
Look at the climograph and answer the questions: What are temperatures in tropical climates like? What is the average annual temperature? Is precipitation distribted in a regular way during the year? In…
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Introduction - Obtaining and using energy
EduBook Organización
- 3678 visitas
Energy drives the Universe and is part of all the changes which take place on Earth. The Sun is our main source of energy. Without it, there would be no life and most other sources of energy would not…
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