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Work with maps: scale and topographic maps - The representation of the E...
EduBook Organización
- 3800 visitas
The graphic scale of maps allows us to calculate the real distance between two places. We do this in the following way: Find two points on the map between which you want to know the distance. Measure…
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Choose. Relationship between mass and volume
EduBook Organización
- 2860 visitas
Choose the correct solution for each task: What is the mass of the water found in a 5L bottle? What is the density of a ball, if its diameter is 68 mm and its mass is 58 g? An empty can has a mass of 25…
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Video: What is Marketing ROI?
Tiching explorer Organización
- 3 lo usan
- 3674 visitas
This animation explains what Marketing ROI is (Return On Investment), how we can calculate it and why it is so important for a Marketing Manager. While marketing is crucial to business success, during a…
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Did you know? Matter
EduBook Organización
- 2192 visitas
To measure distances in the universe, we use the light year, which is the distance light travels in one year. To calculate this distance, we have to multiply the speed of light in kilometres per second…
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FInal Autoevaluation T12 05 - Waves. Light and sound
EduBook Organización
- 2730 visitas
Make calculations and answer the questions: A robot sent a signal at the speed of light from the planet Mars. It took 3 minutes to reach Earth. How far away is Mars? d = million kilometres A sound is…