I'll mark brainliest

Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work)

Autotrophs a. consume their food to get energy b. may use photosynthesis to gain energy c. are also called consumers d. cannot use solar energy

Lucia is walking barefoot in her yard. she accidentally steps on a nail. how will her nervous system work to generate a reaction? arrange the eventschronologically.