Loud noises can cause animals to startle.
All animals are startled by an unannounced approach, a sudden movement, or a loud noise.
Animals can be startled by sudden movement.
what can animals be startled by?
Options:
(a) murmur
(b) reflexes
(c) vehicles
(d) movement
(e) rain
(f) photons
(g) waves
(h) an object