Definition of 'Natural Gas'. Definition: Natural gas is a mixture of gases which are rich in hydrocarbons. All these gases (methane, nitrogen, carbon dioxide etc) are naturally found in atmosphere. Natural gas reserves are deep inside the earth near other solid & liquid hydrocarbons beds like coal and crude oil.
1 Regardless of the size of your roast, always cook at 375 degrees, for 20 minutes per pound.  Slice thinly and serve with gravy, mashed potatoes, salad and veggie of choice. You can also slice fresh mushrooms, season with salt and pepper, saute in butter, and add to your favorite canned or jarred beef gravy.
How long and at what temperature should I cook a beef roast in the oven? Roasting is a great cooking method for a large, tender cut of beef â such as a rib or sirloin roast. Sirloin-tip, rump, rolled-rump, eye-of-round or top-round roasts will also benefit from this cooking method if they are graded prime or choice.