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Salsk061 [2.6K]
3 years ago
9

You need to start an experiment and the instructions are to mix 2 g of sodium bicarbonate with 50 ml of distilled water and then

mix the solution. Describe what lab apparatus you would use and what safety precautions you must observe when completing this experiment.
Biology
1 answer:
zimovet [89]3 years ago
3 0

<span>Safety precautions:
- Use gloves of the proper material
- Use safety goggles
- Lab coat that
- Know where the safety equipment is located</span>

Lab apparatus:

A mass balance

100ml beaker 

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Which statement best explains the state of the water cycle on this newly discovered planet?

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B. The water is trapped as water vapor in the atmosphere and clouds.

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D. Water is frozen underground instead of flowing on the surface.

Complete answer:

Water is frozen underground instead of flowing on the surface. Thus, the correct option is D.

The water cycle can be broken down into three parts, as follows:

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Evaporation: When the sun's heat drives water from oceans, lakes, streams, ice, and soils to rise into the air and transform into water vapour, this is known as evaporation (gas). Clouds form when water vapour droplets combine.

According to the first statement, water may be collected in lakes or oceans, or frozen in snow and ice. Evaporation occurs when water is collected in lakes or seas and exposed to high enough surface temperatures. Also, if water is frozen or in snow, the rate of evaporation will be significantly reduced, although it may still occur provided individual molecules carry sufficient heat. This statement provides some explanations for why we may not see evaporation, but it is not the best available to describe the water cycle on this planet.

Because of the available answers, this one best explains the state of the water cycle on this planet because it provides the most likely scenario for which astronomers would not be able to observe evaporation, given that it would occur on a small scale due to the extremely low temperatures and would take place underground, it would appear that evaporation is not working.

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Answer:

merchant

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