In an experiment, a model can help a scientist A. test a situation that is otherwise too complex to observe
B. make the experimental setup match reality as closely as possible
C. create a hypothesis
D. draw a conclusion from experimental results

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?

What is the polyatamic ion of borate

In 2002, the rare earth elements mine in mountain pass, california was closed because