Which scenario shows a division of labor? O A. In the lunchroom line in the school cafeteria, two workers serve the food to all the students.
O B. On an assembly line at a car factory, some workers attach windows todays while others paint the cars.
O C. At the toll stops on a major road, one worker collects money in one toll booth while another worker collects money in a different toll booth.
O D. At the museum, there are always several people available to provide guided tours for people who are interested in learning more about the museum's collections.

Of the pollutants that form acids in the atmosphere, which is easiest to reduce? a. sulfur dioxide b. nitrogen dioxide c. ozone d. carbon monoxide

Cold case files recently began re-investigating an old murder case. the murder took place in the park; a young man, james, was hit over the head with a brick and killed. police suspected the jealous former boyfriend of james' wife, karen. whoever killed james may have washed their hands in a near-by bird bath as detectives found blood in the bird bath. since the murder took place before dna fingerprinting was available, the suspected killer, ronnie, went free. detectives are now reviewing the blood evidence using dna fingerprinting. based on the dna fingerprints of all possible suspects, who is james' killer?

If your blood becomes too concentrated with iona, what will happen to the red blood cells