Problem: Two Islands were discovered by settlers, A small group of people moved to South island, but most of them moved to North island. People on North island had frequent food shortages. Which island had more resources for its inhabitants?

A: South

Problem: Mike likes to visit places. This winter he is visiting Greenland. First, he visited Lake A, which is very small. Then he visited Lake B, which is huge. While visiting Lake B he went to a local pub. There he heard other tourists talking about two nearby glaciers, glacier C and glacier D. They said that glacier C had a snowfall and the snow became part of the glacier, but glacier D didn't have any snowfall. Mike is getting ready to visit those glaciers. Is ice thinner or denser in glacier C than in glacier D?

A: denser

Problem: 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?

A: Dew

Problem: Gary is a high school student examining two cells under a microscope for his biology class. In a petri dish, marked Cell X, Gary sees that substances inside the cell are spreading apart from each other making it less concentrated. In the dish marked Cell Y, Gary sees substances coming together and moving into close proximity to one another. Which cell is using more energy?

A:
Cell Y