Giữa lượng và chất, yếu tố nào thường xuyên biến đổi? Vì sao?

answer; (73%);

aliens are not real, the myth was created about 700 years ago because people found markings in the field of their crops. also, no there were no aliens on the moon.

hope this ! give brainliest!

could you go a bit more in depth with you question? it's quite hard to understand. as soon as you do that i will be glad to : )

answer; ha,ha,ha, corn on the cop;