What are the two steps of signal detection? a. the category of stimulus and the observer's criteria b. the intensity of stimulus and the observer's criteria c. the category of stimulus and the conduction velocity d. the intensity of stimulus and the conduction velocity?

Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen

The pelican's beak is adapted for in .

Collin would like to use the data a coworker has entered in a database. the problem is the coworker's database software is different from collin's. collin should