○ motive
○ observation
○ reaction
◉ stimulus
The cue or combo of cues that produces a response is called a , which is a thing or event that causes a specific reaction in an organ or tissue.
Answer:
the compilation of list of endangered species and prepare a recovery plan for each
The answer is beginning
(to other people that need it)
Radioactive elements comprise a majority of the "ACTINIDES"
These are elements in the bottom row of the periodic table.