NEED ASAP!! which of the following statements are true when it comes to impairment?

A. You are either impaired or you are not.
B. There are degrees of impairment.
C. Impairment only matters at high levels.

Explain the difference between incomplete dominance and codominance

In the practice of science, this type of reasoning is used to develop explanations.

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of