Which of the following objects would require the use of a large-scale model? (2 points) An atom A car engine A frog's heart The Mississippi River

1. An atom is an object that needs a large-scale model. A large-scale model must be bigger than the object itself.

2. The correct answer among the choices provided is option C. It is a theory that light travels at 300,000 kilometers per second.

Explanation:

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.

ask your friends for what they got then copy it down if you don't have any friends which is fine than google it or pay the teacher