Which is not a function of the respiratory system? multiple choice sound reception gas exchange olfaction gas conditioning?

Aflashlight produces light using energy from the batteries. in which order does the energy change form? a. from chemical to electric to light energy b. from electric to light to chemical energy c. from electric to chemical to light energy d. from light to electric to chemical energy

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

What are the pros and cons of quadrat sampling?