Problem: David was interested in the coloration of ocean's water. To understand the phenomenon he first observed the color of water at forty feet depth. He noted his observation as point A. Then he observed the color at hundred feet depth. He noted his observation as point B. Then he observed the color at four thousand feet depth. He noted that observation as point C. He now have some ideas how the color of water changes according to its depth. Where there would be visible sunlight, point B or point C?

A: point B

Problem: Two patients were hospitalized for different diseases. Barry was diagnosed with Kaposi's sarcoma-associated herpesvirus, while Daniel was diagnosed with EpsteinBarr virus infection. Which patient was not at risk of developing body-cavity lymphoma?

A: Daniel

Problem: Because of the weed and insect menace villagers from North village decided to use herbicide tolerant crops. South village decided to postpone a decision and kept using regular seeds. Which village decreased harm to the crops?

A: North

Problem: Chris decides he is going to make some pasta for dinner tonight. He gets a large pot, fills it with water and puts it on the stove. He sets the stove to 99 degrees C. After a while he comes back and sees that the water is hot but it isnt boiling. He sets the temperature to 100 degrees C and walks away. He forgets he was heating up the water and comes back to an empty pot. The water got too hot, turned into is gas form, steam, leaving an empty pot Which is hotter, water in liquid form or water in gas form?

A:
gas