Answer:
cold with high salt content
In adults, stem cells remain undifferentiated until they are needed to repair or replace other cells. Stem cells can produce cells that are identical to themselves.
During the fall of 2009, the high tide entered the nisqually estuary for the first time in over 100 years.
<h3>What is Nisqually estuary?</h3>
This is formed when the freshwater of the Nisqually River meets the salt water of Puget Sound.
In the fall of 2009, the high tide entered it for the first time in nearly a century.
Read more about Estuary here brainly.com/question/785597
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Answer: C. building cars that can better withstand collisions