During a very cold winter, water pipes sometimes burst. the reason for this is

Which layer will become saturated first when rain falls?

Nerve cells are specialized to respond to stimulitrue or false?

Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."