Which of these statements best explains why scientists use models? (3 points) оа
to allow other scientists evaluate their data
Ob
to speed up or slow down natural processes
Ос
to describe and explain non-observable objects and processes
Od
to predict the scientific theories which would be proposed in the future

Which description provides the best objective summary of the article in the passage?

What drives an advertising campaign?

Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.