Answer:
a. scientific journal articles and presentations at conferences
Explanation:
right answer on edg.
In my opinion, the best answer among the choices listed above is option D. The reason why scientists use models because they can <span>represent things that are too small to see. Models are used to describe and explain certain phenomena. Hope this answers the question.</span>
Answer:
B
Explanation:
Without the greenhouse effect the earth would be very cold.
