Identify a process that is NOT reversible. Identify a process that is NOT reversible. melting of snow baking of bread deposition of carbon dioxide freezing water melting of aluminum
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Ответ:
Identify a process that is NOT reversible.
Melting of snow
baking of bread
deposition of carbon dioxide
freezing water
melting of aluminum
Explanation:
A physical change is the one in which there is a change only in its physical state, color, the appearance of the substance. But the chemical composition of the substance remains unchanged.
It is a temporary change and can be reversed easily.
For example:
melting, freezing, deposition etc.
Baking is a permanent change and the chemical composition of the substance changes.
Hence, among the given options, baking of bread is not a reversible change.
Ответ:
If the earthworm's skin dries then they will not breath properly because moisture help them out to ease the diffusion of oxygen through its skin.
Explanation:
Hello,
Based on the required hypothesis, the best describing one considering the question "How is earthworm behavior affected by external stimuli?", would be:
If the earthworm's skin dries then they will not breath properly because moisture help them out to ease the diffusion of oxygen through its skin.
In this case, we are specifying a possible condition, this is "the earthworm's skin dries" which is a cause of an external stimuli (dryness). Next, we propose an effect, this is "they will not breath properly", that is caused by the initial part. Finally, we explain the effect via the cause "moisture help them out to ease the diffusion of oxygen through its skin" because is something testable via the subsequent experiments when considering the scientific method.
Best regards.