The rate at which producers use photosynthesis to store energy minus the rate at which they use some of this stored energy through aerobic respiration. Soil Horizon Mature soils, or soils that have developed over a long time, are arranged in a series of horizontal layers called _____.
3. Get your dog plenty of exercise. Your dog may be restless at night if he's not getting enough exercise during the day. Depending on your dogâs breed, age and fitness level, you may be able to tire him out in 30 minutes or 3 hours (or more).
Follow a schedule. Plan his day so that active time is followed by quiet time for sleep. He'll most likely be ready for a nap after playtime or a walk, sleep for a while and then wake up ready for anything. Your puppy may nap every hour or so, sleeping from 30 minutes to as long as two hours. All of this sleep is perfectly normal.