Answer:
C .radioactive dating each year
Explanation:
In determining the absolute age of two rocks, the most important thing is the radioactive dating of the rocks to compare the radioactive isotopes within them.
Absolute dating involves ascribing numerical age to a rock body. It is usually done by the process of radioactive dating in which the number of daughter to parent isotopes are compared.
This helps to give a precise numerical age to a rock.
- The other choices are for relative dating.
Determine the general wave and longshore sediment transport directions by determiing where the sand is against where it is eroding, is heaping up.
from the top to the bottom
- The direction of beach drift
- Groyne
- The incoming wave direction
-The direction of the longshore current
<h3>What is longshore sediment transport?</h3>
- The collective movement of beach and nearshore sand parallel to the shore caused by the combined action of tides, wind, and waves, as well as the shore-parallel currents produced by them, is referred to as longshore transport.
- Usually, these forces cause sand to move practically continuously, either in bedload flows or suspension.
- This happens in an intricate, three-dimensional pattern that changes quickly over time.
- Sand in the area of interest may occasionally have an upcoast component whereas other sand is often migrating downcoast.
Learn more about longshore sediment here:
brainly.com/question/10672313
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I believe it's B) freezing and thawing of water beneath the soil
