(Help me out ) When a single electron returns to the ground state from an excited state, it emits___

1. A continuous spectrum of all wavelengths of light

2. A line spectrum of 2 or more wavelength of light

3. A single, specific wavelength of light

4. No light

Someone, part 1: which compound does c represent? part 2: name a process that could release this compound into the air. part 3: explain how the elements that form it are conserved during the carbon cycle. use complete sentences to explain your answer. justify how this compound was created from a recycling of carbon in the carbon cycle. use complete sentences to explain your answer.

What is the number of atoms in 3.54 mol s

As you watch a surfer ride a wave towards the shoreline, what is the shoreline? a) displacement reference b) reference point c) coordinate plane d) cartesian boundary