Answer:
c. cancer
Explanation:
Any conditions present in the natural surroundings, that exert adverse impact of mental wellness of the individuals are referred to as environmental stressors. Among the given options, heavy traffic, flashing light and loud noises are the stressors present in surroundings. Cancer is a disease that affect the physical well being of the person; it is not present in surroundings.
All three are bad for the environment because all three types release CO2 into the air and have throughout their constant usage helped with creating the greenhouse effect that traps heat and causes global warming. That's why clean energy is a necessity and people are developing harnessing wind and solar power.
The answer is 23 chromosomes.