Which of the following is not a component of normal experiment ?

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.

Show how to convert the temperature 84.7° c to kelvin. include all steps and label the final answer