Answer:
a) 2.7×10^2, 2.7×10^-3, 7.2×10^-3
the answer is the full moon.
Answer: Who is the audience?
Does immediate feedback need to be gathered? ...
Should there be a written record?
Is the information confidential?
Is the message urgent?
Does the information need to be communicated to everyone in the same way and/or at the same time?
Explanation: might be wrong..
Answer:
atoms can't be created nor can be destroyed.
atoms cat be broken down into smaller pieces.
all atoms of an element are identical.
chemical reactions cause atoms to be rearranged.
