Q: Two rivers spring from the same mountain. Olt was a fast moving river, while Mures river was slow moving and deep. Both rivers are very important for the local economies. Which river had a water that contains lower concentrations of dissolved oxygen?
A: Mures

Q: A research institute is investigating the effect of alcohol in human body. They gave two groups of subjects, group blue and group red, two different drinks, labeled as blue drink and red drink. The blue drink contained alcohol, and the red drink did not contain any alcohol. Blue drinks were given to the blue group and the red drinks were given to the red group. Which group would have more warm blood near the surface of the skin?
A: blue group

Q: Two pedologists studied different types of soil. Yun studied forest soils, while Jian studied grassland soil. They were both very surprised with they findings. Which scientist read more about tree leaves falling on the forest floor?
A: Yun

Q: Two families thought differently about vaccinations. Dean family vaccinated their children while Moore family didn't. Which family didn't get an immune response without getting the disease?
A:
Moore