Why was it more likely that rna was the first genetic material?

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

When a doggo starts to pace around in the same line for a hand full of days. what would that mean?

How can an organ, such as the lungs, work for multiple body systems?