What is formed when atoms of elements combine? compounds electrons protons neutrons

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.

The fruit of a certain plant is sweet and fleshy. the seeds of this plant have a seed coat that is fairly tough. the seeds germinate better if they are exposed to acid, or scarification. what is the most likely type of dispersal for this seed? water animal wind

Which of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine