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Recursos educativos
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Answer. The chemical composition of living things 2.2
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- 1394 visitas
What bioelement is most characteristic of living things and is also present in mineral matter?
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End-of-unit final evaluation T11 07 - Machines and structures
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- 1383 visitas
What is a tool? What is the difference between a hand tool and a power tool?
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Answer. The planets of the Solar System 5
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- 1367 visitas
Which planet is known for its red spot? What is this red spot?
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Answer. The atmosphere 1
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- 1290 visitas
What is the ozone layer? Why is it important for life on Earth?
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Answer. Democratic and non-democratic states 02
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- 1283 visitas
Who is the head of state in a parliamentary republic? How is he or she chosen?
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Answer. Reflection and refraction of light
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- 1233 visitas
When can we see objects? What is a mirror? What is refraction? What are lenses?
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Answer. The industrial process 03
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- 1243 visitas
What is profit? Why is it important to reinvest some of the profit into the company?
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Answer. The market economy 03
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- 1212 visitas
What is deceptive advertising, and why is it bad for society?
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Final Autoevaluation 6.08 - The natural environment. Ecosystems
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- 1165 visitas
Why can it be said that matter is recycled and the energy is lost in ecosystems?
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Answer. Trade flows and blocs 02
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- 1168 visitas
What is the most important raw material that is traded around the world today? Why?