Well for one thing water wouldn't collect in drops. It also would affect pretty much everything that lives in or on water. For example there are kinds of bugs that use the surface of the water to stand on and lots of other organisms that use surface tension for their own benefits. Hope this helps!
Answer:
i believe the answer is c
Avoiding contact with UV radiation
The answer seems like water. We're made up of 70% of water & many of the chemical reactions necessary for live need water as a reactant or a solvent.
Hope that helps!
Answer:
D. They define geological periods because scientists use them as reference points for tracking the history of the earth.
Explanation:
Catastrophic events related to changes in geological timeline are very useful in defining geological periods.
These events have very significant appearance in the geological record and can be used to determine the history of the earth.
The catastrophic events usually culminates into extinction cycles or termination of some organisms from the earth surface.
Geologists use these events that are often wide spread to delineate geological periods.
