TASK DEFINITION: In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.
PROBLEM: Question: Shane spent his live in the country and had no respiratory conditions, then moved to the city and had several develop. Shane's conditions are likely due to being 
 Answer: close to a city

SOLUTION: Certain respiratory conditions can be made worse in people who live closer to or in large cites.

PROBLEM: Question: Reid notices no change in the weather and temperature from 100 years ago. This likely was caused by _____ greenhouse gas levels. 
 Answer: decreased

SOLUTION: As greenhouse gases increase, changes will be more extreme.

PROBLEM: Question: Sandra is in a dark building and then suddenly goes exits onto a sunny street. Sarah's pupils will do this in response to the new bright light 
 Answer: shrink

SOLUTION:
The pupil automatically gets bigger or smaller to let more or less light in as needed.