Answer:
false
true
true
Explanation:
false - changing the hypothesis to meet your needs is not a good researcher
true - when you can further analyze and explain then you have a successful experiment even if it's not what you expected
true - successful experiments do not end there. they can lead to more in depth questions.
the force of attraction of iron fillings towards magnet
The answer is b convection
Mass, if you know what element you are working with.
Answer:Rubidium and Strontium
Explanation: