Keith was reading a book on climate. He found an interesting table that showed the climatic conditions of the earth in two different times, time A and time B. Time A showed earth's climatic condition in the previous century. And, time B showed earth's climatic condition in the present century. Keith was amazed to see how the world has changed in just a century. Which period would be more harmful for habitat of species, time A or time B?
Ans: time B

Mark was visiting southern Africa as an exchange student. He was amazed by the beauty of Namib Desert, which is located mostly in Namibia. He kind of enjoyed the hot surface of the desert. Next to Namib desert is the grasslands of Botswana. He noticed that the surface temperature was much lower there. Which place would have higher air density, Namib Desert or Grasslands in Botswana?
Ans: Grasslands in Botswana

Daniel visited two countries. Switzerland and India. There was almost no air pollution at all in Switzerland, while the air in India was almost impossible to breathe it was so polluted. Which country had less environmental damage because of air pollution?
Ans: Switzerland

Kim and Jane inherited some land. Kim inherited some grassland, while Jane inherited a forest. They both took good care of their properties. Which person inherited a parcel where leaves are the principal source of soil organic matter?
Ans: Jane