These two frog species separate by reduced hybrid viability. In reduced hybrid viability gene of different parent species may interact and impair the hybrid's development while in a reduced hybrid fertility a viable individual is sterile often due to the inability to produce normal gametes in meiosis. Hybrid breakdown; the first generation are viable and fertile, but when they mate the offspring are feeble and sterile.
Answer:
the answer, you can select it and write it down
I think it is erosion (2) because erosion removes soil, rock, and dissolved material.
You can elnimate the moon and mars so the answer is a star