While the sun does emit ultraviolet radiation, the majority of solar energy comes in the form of "light" and "heat," in the visible and infrared regions of the electromagnetic spectrum.
Dendrochronologist
<span>Dendrochronology (or tree-ring dating) is the scientific method of dating <span>tree rings.</span></span>

Cellular homeostasis involves maintaining a balance of several factors that make a cell healthy. The cell membrane is a lipid bilayer that prevents that passage of water and ions. This allows cells to maintain a higher concentration of sodium ions out the outside of the cell.
Answer:
The proteins receive electrical signals from nerve cells.
Explanation: