I think its the temperature and precipitation
Because light travels more than 800 thousand times as fast as sound does.
The more people that are migrating to urban areas (urbanization) needs more crops for the citizens which causes more people to grow crops and without crop rotating or methods to prevent soil degradation. More likely answer is that more industry grows in the urbanized areas and they have poor management of the soil which causes soil degradation<span />
Answer:
x = 3.5
Explanation:
The chords are the same length, so are the same distance from center:
3x +1 = x +8
2x = 7 . . . . . . subtract x+1
x = 3.5 . . . . . divide by 2