The total charge that an automobile battery can supply without being recharged is given in terms of ampere-hours. a typical 12-v battery has a rating of 49 a · h . suppose you forget to turn off the headlights in your parked automobile. if each of the two headlights draws 3.5 a , find out the time before your battery is “dead”. answer in units of hours. answer in units of h

Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system