Precise time of an element's radioactive decay can be studied with the help of amount of Carbon on the body. By measuring and comparing the amount of Carbon on the body, Scientists interpret, & can calculate the actual age of an object
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Answer:
The one on the top and right is water erosion, The one on the left is caused from a rock being there for so long is starts to become thinner because of the wind. Now the middle left is a natural basin that looks like water flowed through it so again water erosion. The middle right looks like the rocks and dirt fell off a mountain from being loosened from all the water,wind,humans and others so the kind of erosion is accelerated erosion. the bottom left is strong wind erosion. and the bottom right is a landslide. Hope this helps.
Explanation:

6/6 is considered as 1 [ full fraction / whole number]
so that leaves us with 1/6
So, it's 1 1/6