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.
Best Answer: I tend to think the best way to cook a roast is to sear it in a skillet or under the broiler (more flavour that way) then put in the oven at 325 for about 20 minutes per pound. Then tent with foil and let it sit for 15 minutes or so to let the juices redistribute.est Answer: I tend to think the best way to cook a roast is to sear it in a skillet or under the broiler (more flavour that way) then put in the oven at 325 for about 20 minutes per pound. Then tent with foil and let it sit for 15 minutes or so to let the juices redistribute.