What type of interaction is characterized by a health monitoring system sending a one time code to unlock the front door of the home of a patient who needs emergency treatment?

Would really appreciate it, i have an idea but not completely sure

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm

What is the best conclusion based on this data? the hypothesis was not supported because the data indicated that fertilizing plants does not improve plant growth. the hypothesis was supported; to get the best growth, use 5 milliliters of fertilizer per plant. the hypothesis was not supported; the data indicated that too much fertilizer can inhibit plant growth. the hypothesis was supported; to get the best growth, use 15 milliliters of fertilizer per plant.