That would be an allergic reaction or allergies.
Answer:
The alkaline earth metals are six chemical elements in group 2 of the periodic table. They are beryllium, magnesium, calcium, strontium, barium, and radium. The elements have very similar properties: they are all shiny, silvery-white, somewhat reactive metals at standard temperature and pressure.
Explanation:
Plz mark me as branlist answer
<span>C. When birds moved into the field, they changed the environment and selected against the blue butterflies</span>
It is anabolic reaction that is endothermic
“””””””””””””””””C””””””””””””