During the formation of a solution, which step is always an exothermic process?

Which of these is the result of scientific research and not engineering? a. a new shoe design that features air cushioning for more comfort and protection b. the creation of glass with uv protection. c. a conclusion about diet commonalities among diabetics. d. the development of a smaller, more compact missile.

What is impossible to do with a hypothesis

What are transitions between a liquid and a solid called? identify which way they are transitioning