1. So that during the experiment, you don't have to waste your time in figuring out what to do.
2. So that the instructions are clear and if there are any misconceptions, you can clear them out BEFORE the experiment.
3. To avoid trouble or risky scenarios.
4. It allows replication, where other scientist perform your experiment to ensure your findings are correct.
5. To avoid error, such as adding too much of salt into water.
<span>By producing melanin (pigment), the skin protects the underlying structures from ultraviolet light's harmful rays while producing vitamin D, which works with calcium for multiple body processes.
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Vitamin D is produced by the skin when it is exposed to the sunlight. Ultraviolet B (UVB) is the part of the sun's rays that affects the skin to produce such vitamin.
Answer:
Volcanoes go dormant because magma from the Earth's mantle can no longer reach the volcano.
The landform nearest to it is rocky mainly consist of igneous and metamorphic rocks.
A dormant volcano is an active volcano that is not erupting, but supposed to erupt again and it's also called the "sleeping giant"
Explanation:
Answer:
they cannot know their doing and there is a posiblity that they fail