Answer:
20
Explanation:
number of protons+ number of neutrons= mass of atom
19+n=39
n=39-19=20
number of neutrons=20
Relative location isn't the exact location so they would have to be using their mental imagery of a map. For example, after you go to fro a place so many times, you will grow accustomed to it thus by using mental imagery of a map would be a good answer.
It is false. London is actually west to Paris.
The financial assistance for smaller nations’ economic negotiating teams are ruled out by the World Trade Organization (WTO). This system makes sure that all members enjoy balance of rights and obligations. There are as well many privileges countries provide.Answer here is D.
