Which statements accurately describes the value of the rain forest

Can someone me? i need to have this done as soon as possible! i'm putting 20 points on this!

Which of the following events did not occur as a result of china’s open-door policy? a. trade between japan and china was encouraged. b. all countries were given equal access to chinese ports. c. foreign influence in china increased. d. the influence of the communist party weakened.

Arow of elements on the periodic table is called an