they erode rocks and stuff like that
The force of gravity increases - when an objects mass increases.
Weight is - caused by gravity affecting mass.
Mass is - the amount of matter in an object.
The force of gravity decreases - when distance increases.
Ibig sabihin ng responsable ay - pagkakaroon ng obligasyon na gawin ang isang bagay, o pagkakaroon ng kontrol o pangangalaga sa isang tao, bilang bahagi ng trabaho o tungkulin ng bawat tao
I am not completely sure, but I think it might be B, Migration out of a stage 3 or 4 country is higher than migration to it.
