Ablock slides on a table pulled by a string attached to a hanging weight. in case 1 the block slides without friction and in case 2 there is kinetic friction between the sliding block and the table. in which case is the tension in the string the biggest? explain.

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.

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

How do you tell if someone actually cares about you? and just say they do?