Answer:
Shivering in the cold house, the two children huddled underneath the green blanket
Explanation:
This sentence includes vivid descriptions of the house's climate, the blanket, and the situation of the children under it whereas the other sentences only provide a few of these elements making this one the most vivid and descriptive.
All of the above as children could reach in to small spaces and kids could work more for less pay and adults are more likely to not do it due to the risks
In any energy pyramid, only 10% of the available energy is passed from one level to the next.
Hope this helps :D