Q: Dawn brought a chocolate bar for lunch, but the chocolate melted in her backpack. Dawn wants to perform a scientific investigation to determine the reason her chocolate bar melted in her backpack. Which hypothesis should Dawn use for her investigation?
What is the correct answer to this question?
OPTIONS:
[a]. Chocolate will taste better when melted..
[b]. Chocolate will taste the same even when melted..
[c]. If the chocolate is broken then the chocolate will melt..
[d]. If heat is added to chocolate then the chocolate will melt.....A:
[d].