A-A+
Air moves under such conditions that______.A.t
问题详情
Air moves under such conditions that______.
A.there is air pressure
B.the air is heavy
C.air pressure doesn"t remain the same all the time
D.air comes up and down请帮忙给出正确答案和分析,谢谢!
参考答案
正确答案:C
解析:空气的流动在于气压的变化,故选C。