The answer would be the second choice, "Central Nervous System"
Read about country Nepal. It has mountain , hill and terai region favouring wide range of life?
The three major types of pollution are air pollution, water pollution, and land pollution. Sometimes, air pollution is visible. A person can see dark smoke pour from the exhaust pipes of large trucks or factories, for example. More often, however, air pollution is invisible.
Answer:
they have 7 boys so i would say 1in 8 chance
Explanation: