Neutron stars, smaller than white dwarfs, are thought to be remnants of

I think it's Supernova Events.

Explanation:

Hope i have helped you!

the correct answer is anaphylaxis.

anaphylaxis is a condition caused by insect bites, foods, medications, manifested by tongue swelling, shortness of breath, vomiting, low blood pressure. it sometimes may occur without an obvious reason. it is treated with epinephrine injection.other tretments include antihistamines and steroids,