What are the key problem to expand tree cover in urban areas expect land crisis​

shanghai

explanation:

after fierce fighting, the chinese armies were driven out of the shanghai area by the middle of november 1937. nanking (nanjing), the nationalist capital, fell in mid-december 1937, and the liquidation of that city and its inhabitants became known as the nanjing massacre.

mark brainliest!

1."lessen the worth of ."

2."increase the worth of."

3." beyond the worth of."

4."against the worth of ."

answertemperature;