Draw the curved arrows to show the mechanism for the reaction of butanedioic (succinic) anhydride with methanol.

Explain why scientists use shared characteristics to make cladograms.

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?

The best solution for preventing harm to people and pets from severe hurricanes involves determining and warning residents about what