Is the rock suitable?
Choosing Sample A or B
Here is the results table with extra results added after leaving the samples in water for another 10 minutes.
|Sample A||Sample B|
|Weight before standing in water||600g||570g|
|Weight after 10 minutes in water||630g||610g|
|Weight after 20 minutes in water||650g||615g|
|Weight after 30 minutes in water||655g||615g|
Fill in these answers:
Think carefully about each question and fill in the answers