Greg's grandma is a culinary expert. She is also very eager to teach others how to make great foods. One day she taught Greg how to make candied fruit. Greg was so excited about it that he bought two baskets of fruits, basket A and basket B, to make some candied fruits. He used the basket A fruits to make some candied fruits, but was too lazy to use the basket B fruits. He just kept the basket B fruits on his kitchen top. Which fruits would most likely be preserved, basket A fruits or basket B fruits?
Ans: basket A fruits

Ecuador and Panama both had beautiful rivers flowing into the Pacific ocean. Ecuador uses their river to dispose of their waste while Panama is very eco-friendly and doesn't do that. Which country causes more hypoxia in the ocean?
Ans: Ecuador

Two farms were situated on opposite banks of a large river flowing into the ocean. Hill farm practiced conventional agriculture, while Dew farm practiced permaculture design within the context of organic farming. Which farm generated less marine pollution?
Ans: Dew

John was sitting at point C near a railway track. Suddenly, he heard a train coming towards him from point A with constant sound of its horn. Eventually, it reached very close to him at point B. Then the train sped by him at point C where he was sitting, reaching point D after some time. Finally, it reached even farther from him at point E. Which point would have higher frequency, point D or point E?
Ans: point D