An important tool in understanding the actual numerical dates of past geologic events is radioactivity.
A layer of rock might have eroded is an unconformity in a sequence of rock layers that reveal about geologic history. The correct option among all the options that are given in the question is the second option or option "B". I hope that this is the answer that will come to your help.
Answer: One advantage is that it provides habitats so animals can live and have their shelter. And one disadvantage is that it can be easily damaged by storm waves Areas have to be zoned off from public while it grows Protection is limited to small area.
Explanation: Hope it helps :)
C because graduated terrace steps are commonly used to farm on hilly or mountainous terrain. Terraced fields decrease both erosion and surface runoff, and may be used to support growing crops that require irrigation, such as rice. ( It basically means that terraced farming is farming over steps and using rain to wash away old soil so that's where the wet part comes in)