Why is serpentina considered as a rare plant?​

Emily naturally blinks whenever her sister pretends she is going to poke her in the eye. her sister, a psychology major, then decides to have a little fun. she pairs the word “psychology” (neutral stimulus) with pretending to poke emily in the eye (unconditioned stimulus), which automatically makes emily blink (unconditioned response). soon, emily blinks as soon as she hears the word “psychology.” when emily blinks when hearing the word “psychology,” even when her sister does not pretend to poke her in the eye, the word “psychology’ is now the

Pollution from a factory that produces cleaning products is an_

Why does the united states constitution require that a national census be taken every ten years?