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.
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Question: Question: Tony drives an SUV that contributes many greenhouse gases to the atmosphere. Evan rides a scooter that contributes few greenhouses gases to the atmosphere. Who likely contributes more to the Earth heating up? 
 Answer: Tony

Answer: If there are more greenhouse gases in the atmosphere, more ultraviolet radiation will be trapped and the Earth will heat up.


Question: Question: Yolanda looks through a miniature telescope and then compares the view to a normal sized telescope. The telescope that less likely differentiates between celestial objects the best is 
 Answer: smaller

Answer: The larger a telescope's mirror or lens, the better it is at seeing narrowly separated objects as individual objects and the sharper the images look.


Question: Question: Mona lives in a city that doesn't know much about solar power. As the citizens become less aware of solar and the benefits it offers, the demand for solar power falls. What happens to the cost of the technology as the demand decreases? 
 Answer: increase

Answer:
Solar power is expensive, but as demand increases technology improves and costs decrease.