Astar has a surface temperature of 30,000 k. at what wavelength does the peak radiation occur? 100 nm
97 nm
87 nm
0.01 nm

Use the displacement law, peak wavelength = 0.0029/T =0.0029/30000 = 97nm

“when two plates carrying continents collide, the continental crust buckles and rocks pile up, creating towering mountain ranges. when an ocean plate collides with another ocean plate or with a plate carrying continents, one plate will bend and slide under the other. this process is called subduction. “ i found this on google i hope it