Q: Due to the time it takes for light to reach us, galaxies at the edge of the universe are distant in terms of space and what else? Choices: - gravity - temperature - energy - time A:
time
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Q: What method is used to map the earth on flat paper? Choices: - calculations - forecasts - surveying - projections A:
projections
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Q: What is critical for the formation of hemoglobin? Choices: - salts - proteins - platelets - iron ions A:
iron ions
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Q: What do they call 2,2,4-trimethylpentane in the gasoline industry? Choices: - spirogyra - methane - xerophyte - isooctane A:
isooctane
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