Sorry I don’t know the answer hope you find one bye hallelujah sorry
While race is more associated with biological traits, like your skin color, facial features, hair, etc., ethnicity is more about cultural identities and background. For example, you can be of Hispanic ethnicity and be of Caucasian race.
Lots of moss and spores grow here because of the damp shady environment explaining the ferns on the ground
B is your answer to your question