I didn't get it ...
can you explain that question
Answer:
Using statistics!
Explanation:
If the predecessors had genetically transmitted disease,or specific features,the family tree is useful in identification and better understanding.
Answer:
No
Explanation:
Only what state it is in, soild, liquid or gas. Particals never change duering this.
First you must create a hypothesis, figure how you can conduct your experiment, doing controlled and uncontrolled. Report your experiements then return the hypothesis and figure out if it was correct.
