What happens to the orbit of the earth when it's velocity is halved? a. the orbit of earth around the sun becomes smaller. b. the orbit of earth doesn't change. c. the earth escapes the sun d. the orbit becomes more elliptical. !

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?