The diagram below shows the radioactive decay of cesium ( 135 Cs). What is the half-life of 135 Cs? 
Definitions:
Role-Play
A method of learning or therapy involving acting out roles or scenarios, often to practice behaviors or explore complex situations.
Collaboration
A work strategy where individuals work together towards a common goal, sharing responsibilities and contributions.
General Statements
Broad and nonspecific claims or assertions that apply to many scenarios without detailed evidence or specification.
Constructive Conflict Resolution
A method of addressing disagreements that involves open communication, understanding, and compromise to reach a solution beneficial for all parties.
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