Answer: an element, feature, or factor that is liable to vary or change.
"there are too many variables involved to make any meaningful predictions"
Explanation:
Yes layers of sediment form at the bottom of the ocean.
Answer:
Sliding friction
Explanation:
SLiding friction produces force
Peroxide is the chemical responsible for opening the hair cuticle
The pH scale is used to measure how acidic or alkaline something is.
Hope that helped you!
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