Explanation:
observation learning= watching an experienced nurse, dr., perform an observation, hypothesis, etc.
always needing facts 2 prove the above.
my answer is A..
The substance is pure depending on which atoms bond.
D. In a regimen of two to four drugs
I think this layer formed by the strong currents or by waves slowly moving the shells to the shore along with other shells creating a layer of shells. If I’m wrong then I’m sorry:(
