Raindrops that fall as liquid but freeze when they touch ground is called... ?? please answer fast

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."

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur

Dan made the table shown to describe two different relationships between animals. organism interactions relationship a relationship b one organism lives inside the organism it feeds off no organism is harmed which of the following statements is most likely correct?