Need plase

when you walk outside, the bright sunlight can cause you to quickly shut your eyes. what is the sunlight?
need a hint?

a)
an external stimulus

b)
an internal stimulus

c)
an impulse

d)
an overdose

an impulse

Explanation: because as soon as you see a bright light its your body reacting so your eyes close to protect the inside

Impulse

Explanation:

You close your eyes to protect from the blinding light of the sun without thinking about doing it

answer seismograph;