Answer:
an educated guess
Explanation:
A hypothesis is a suggested solution for an unexplained occurrence that does not fit into current accepted scientific theory. The basic idea of a hypothesis is that there is no pre-determined outcome.
The investigators can locate fingerprints to find out who the criminal is. Other things such as blood, saliva can be tracked down to the criminal
The nucleus!
Hope this helps.
Answer:
Potassium is more reactive because it is in group one
Explanation: