Eye-tracking studies investigating attention as we carry out actions such as making a peanut butter sandwich shows that a person's eye movements .
a. usually followed a motor action by a fraction of a second
b. was influenced by unusual objects placed in the scene
c. were determined primarily by the task continually scanned all objects and areas of the scene

Which of the following best reflects what we know about how the flu virus moves between species? a) the flu virus in a pig is mutated and replicated in alternate arrangements so that humans who eat the pig products can be infected.b) a flu virus from a human epidemic or pandemic infects birds; the birds replicate the virus differently and then pass it back to humans.c) an influenza virus gains new sequences of dna from another virus, such as a herpesvirus; this enables it to be transmitted to a human host.d) an animal such as a pig is infected with more than one virus, genetic recombination occurs, the new virus mutates, the virus is passed to a new species such as a bird, and the virus mutates again and can now be transmitted to humans.

In order to remain wellness the parts of the health triangle always need to be?

Which of the following statements is true?