decomposition of what was alive then the remains are buried by sediments which results in fossilization
When climbing a mountain, we can observe transitions in biological communities that are analogous to the changes in biomes at different latitudes.
Answer:
Sleep apnea.
Explanation:
Sleep apnea:
Sleep apnea is considered as serious sleep disorder in which patient's breathing during sleep repeatedly stop and start along with snoring.
So, here the scenario that Sarah's grandfather is suffering from sleep apnea because he takes nap on recliner and suddenly stop snoring and stop breathing and again resume the breathing along with snoring.
