Positive - Due to urbanization, the people of rural areas settle in urban cites. These reduces the labour work which was done in rural areas and as they get water and electricity. The reduced labour work help them in maintaining their physical health
Negative - If people continues to enjoy the facilities and sit ideally doing nothing is much more worse than the above one. It causes obesity and can ultimately lead to heart attack
Answer:
1)The atomic mass number of an element
2)The relative electronegativity of an element
3) The period of an element
Answer:break down food to be absorbed in the bloodstream.
Explanation: it is the correct answer