What is the metric unit for mass? a. meters b. kilograms c. pounds d. matter

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 does the cell nucleus do or, how does it function?

Which of the following electromagnetic waves can create ions?