欢迎来到PP题库网 PP题库官网
logo

单项选择题

Why is a "secondary succession" quicker

    A.The ground is more suitable.
    B.There is more space for new plants.
    C.Birds and animals bring new seeds.
    D.It is supported by the forest.
点击查看答案&解析

相关考题

微信小程序免费搜题
微信扫一扫,加关注免费搜题

微信扫一扫,加关注免费搜题