Pennsylvania has many deposits of coal. this is evidence pennsylvanias geological history there was an abundance of? a. marine animals b. viruses c. plants d. mammals

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!

answerhydrogenous sediment;