a 50 kg box is pusher across the floor. if the acceleration of the box is 2.5m/s², what is the net force ecerted on the box

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

Rachel ate a piece of fruit and happened to drop the seeds in her backyard. after a few weeks, she saw a small plant with flowers growing in the backyard. which group does this plant belong to? a. angiosperms b. gymnosperms c. pteridophytes d. bryophytes e. chytrids

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?