part A. the graph is non-liner because it is not a straight line.
part B. a is increasing b is constant and c is decreasing.
part C. the ant left his hole to go find food but 2 seconds later he saw a human and got scared so he just stayed there with no movement for 3 seconds then decided to just go back to his hole
part a might be wrong i think its right not sure tho but the rest is correct