Answer:
B. respiratory illness
Explanation:
Air pollution causes humans to breathe unhealthy air which can lead to respiratory illnesses.
The sequence that correctly describes the route that an egg takes through the female reproductive system would be option d. Ovary - Fallopian tube - Uterus. The mature egg is released by the ovary into the Fallopian Tube. Once it is fertilized, it is embedded in the wall of the uterus and this is where the unborn baby develops. If fertilization does not happen, the endometrium is broken down, which results in menstruation.
Answer:
Bright light
Explanation:
This is why when you stay long in a dark room, then move suddenly into light, your instinctive response is to squint. This automatic response is for the eye to reduce the amount of light entering the eye, to avoid eye damage. This gives time for the iris to respond and reduces the size of the pupil. When the iris relaxes and reduces the size of the pupil, then your eye acclimatizes to the bright light and the squinting stops.