What is it called when a sound wave is slowed by a new medium? A. Transmission
B. Echo
C. Absorption
D. Reflection

What is the name for a substance formed in a chemical reaction

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."

Climate warming trends allow plant and insect species to inhabit larger ranges. select the best answer from the choices provided