Which is true of genes? They are the same as traits which show up in an organism if they are dominant. They are sections of DNAthat produce the proteins that control an organism's characteristics. They are proteins that produce sections of DNAwhich control the cell's activities. They are features that can be observed rather than measured.

During the apollo moon missions, astronauts were concerned about the effects of newton's third law of motion when: o a. they ejected waste water, because they were concerned that it would push them off course. o b. they reentered earth's atmosphere, because they were carrying heavy moon rocks. o c. they took off from earth, because a large force was required to generate large acceleration. o d. they detected incoming space debris, because the inertia of the debris could damage their ship.

Use a graphic approach to systematically represent the root causes of a problem, the relationships between different causes, and sometimes a prioritization of which causes are most important. a. cause analysis approaches b. force-field analyses c. cause-and-effect diagrams d. root-cause diagrams

Which of the following describes silver? a. a material that has a high resistance and prevents charges from moving freely b. a material that has a low resistance and allows charges to move freely c. a material that has a low resistance and prevents charges from moving freely d. a material that has a high resistance and allows charges to move freely