Answer:
Mass is the amount of matter in a substance measured in kilograms
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Thin skin contains four layer(s) of keratinocytes, and thick skin contains five layers.
-4,5
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Carbon dioxide, methane, water vapor, and a few other atmospheric gases trap heat energy and maintain earths temperature range
The pH scale measures the concentration of how acidic or basic something is. The lower the number below 7, is acidic. Above 7 is basic. 7 is waters purest form.
Answer:
They are rovers that are made to study Mars. For example, they can analyze the martian soil.
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Explanation:
