What a neat and well labelled diagram of nitrogen cycle in nature

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 term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable

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