New moon, quarter moon, full moon are what we call the lunar phases. These are consequences of the motions of the Sun, Earth and moon. Three dimensional models are useful because the face of the moon that catches the light of the Sun depending on their position at any given time could be depicted well. Circular models would be the best visuals for the lunar phases.
These include the chemical. cellular. tissue organ. organ system and the organism level
A. Nutrients, vitamins would also be a correct answer
Chicken nuggets and fries
Surface water always flows downhill. The answer is A.downhill