Which hotel do you think is most likely to move ahead in market competition?
a. a hotel that provides basic amenities
b. a hotel that provides luxurious amenities
c. a hotel that shows understanding of customers' latent needs
d. a hotel that gives discounts

Red blood cells are responsible for transporting oxygen in the blood. people with sickle cell anemia were born with a defective gene that results in sickle-shaped red blood cells. individuals with the disease often suffer pain in their extremities due to the build-up of these cells causing blockages in the blood vessels. the shape of the blood cells also reduces the amount of oxygen transported in the blood.