Sensory receptors monitor changes (stimuli) and gather input. occurs first. a) sensory input
b) intergration
c) motor output

did u get the answer? /? ? / me

that scientist would be robert hooke

your body is trying to warm itself up. or more precisely, sensors in your skin send messages to your brain to generate heat to your body.

all these collisions do one thing, and that thing is explained in the last option. when dusst, rocks and ice collide, they harden and form giant layers of rocks or hard ice.

d)   to harden materials to form different parts of earth’s layers

hope it ,

bioteacher101