Why is it important that our sex cells only contain one set of chromosomes instead of two sets of chromosomes

Andesitic rocks have mineral compositions between those of and basaltic rocks. a. conglomerate c. granitic b. metamorphic d. organic select the best answer from the choices provided a b c d i need asap

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels

Read the scenario below and answer the question that follows. hallie is reading a novel in the library when susan, her best friend, slumps down in a chair next to her. susan doesn't say anything, but hallie knows that susan is upset because she is slumping in her seat and rolling her eyes. a psychologist would explain that hallie is interpreting her friend's emotion based on a. the behavioral component of emotion b. her friend's ability to regulate emotion c. the verbal component of emotion d. the physiological component of emotion select the best answer from the choices provided a b c d