HELP ASAP What unusual pattern occurs during El Niño? (zoom in on the pic to see it better)

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.

Which of the following compounds does not contain molecules? question 2 options: co2 h2 nacl h2o

What is the number of moles in 15.0 g ash3?