D. fingernails
Skin, hair, and vertebrae are all the outer layer of the body and protect the body. The fingernails aren't part of that.
Planners and engineers are responsible for ensuring the work zone is operating properly and drivers are responsible for traveling safely through construction zones. In a work zone, drivers should always pay attention to roadway signs, construction workers on or near the road and the road's surface.
The answer is Closed. Hope it helps
The nucleus controls everything in a cell
Biotic factors may include things like:
-predation
-disease
<span>-competition
</span>-parasitism
<span>-consumption
and -symbiosis
Hope this helps then!! :)
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