Answer:
Mouth is the first portion of the alimentary canal that receives food and produces saliva.
Answer:
While linebreeding is less likely to cause problems in the first generation than does inbreeding, over time, linebreeding can reduce the genetic diversity of a population and cause problems related to a too-small gene pool that may include an increased prevalence of genetic disorders and inbreeding depression
Explanation:
Ionic, Covalent, and Molecular I'm sorry if I got this wrong but I think this is right because molecular is an example of covalent
Speed up chemical reactions (Catalysts)
