Why is it imperative to conduct an experiment rather than rely on anecdotal evidence when deciding how well a treatment, medical or otherwise, works?

Spider crabs live in the shallow regions of the ocean floor. algae tend to grow on the surface of spider crabs. the algae provide the crabs protection from predators by camouflaging them. the spider crabs give the algae shelter. what does this description suggest? 1. the algae are parasites of the spider crabs. 2. the algae and the spider crabs have a mutualistic relationship. 3. the spider crabs are commensals, and the algae are parasites. 4. the spider crabs benefit from the algae living on them. 5. the spider crabs are parasites of the algae.

Which of the following is a difference between a prepaid tution plan and a college savings plan

Ben’s job responsibilities include ordering in supplies, tracking inventory, managing waitstaff, and greeting guests. what does ben do? a) warehouse manager b)restaurant manager c)hotel manager d)shipping company manager