Hello,

So I was wondering if this is correct... Is it?

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.

How many atomic mass units are equal to 1.672×10−24 g of protons?

Of the following elements, which is the least reactive? a. c b. h c. li d. he