Rivers are the primary body of water found in tropical rainforests. Many rainforests feature one large river that feeds the entire ecosystem and many smaller rivers that drain into the major water body, such as the Amazon river and its many tributaries.
1 Cook in the oven for 30 minutes at 325 degrees F (165 degrees C). 2  Reduce the heat to 300 degrees F (150 degrees C), and cook for 1 1/2 hours. 3  Remove roast to a platter to rest for 10 to 15 minutes. Return meat to pan, place remaining bay leaf on top of meat, and cover. 2  Cook in the oven for 30 minutes at 325 degrees F (165 degrees C). 3  Reduce the heat to 300 degrees F (150 degrees C), and cook for 1 1/2 hours.
3. Heat the oven to 500 degrees for a raw roast, 375 for a pre-browned one. 4. Place the roasting pan in the oven; cook for 10 minutes, then lower the heat to 300 degrees. 5. Cook for about 45 minutes, then start checking the roast's temperature with an instant-read thermometer.Remove the roast when the internal temperature, measured as deep into the roast as you can get, reads 165 degrees. 6.t what temperature and for how long per pound do you cook a pork roast? My co-worker wants her daughter(13) to put the roast in the oven for her before she gets home, but she did't know at what temp and for how long to tell her to leave it in. She said it is a small 2 lb pork roast.