L. What type of mutation is DMD?

What are the most explosive events that occur on the sun? umbras solar flares solar winds prominences

Matthew decided he wanted to hike up mount everest. on his way to the top, it began to snow and the temperature dropped to -10°f. matthew forgot to wear a heavy jacket so his body began to shiver beyond control. in this case, matthew's body shivering is the to a drop in temperature. * 0 points reflex stimuli responce environmental facto

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?