They have the same mass as the mass of the reactants. evidence to back this up is the law of conservation of mass
It falls to minus 387 degrees Fahrenheit <span />
A fossil would from through mineral replacement by replacing the existing material of the animals bones with minerals, to become petrified. The Minerals will keep the fossil preserved longer.
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The position for a victim with an abdominal injury would be, flat on their back, place a pillow/rolled blanket under the knees to be slightly , elevate head and shoulders. Additionally to care for abdominal organs protruding from a wound should be by removing clothing, then sue a large sterile dressings moistened with sterile water or normal saline or warm water, then cover dressings with a plastic wrap that is moist, then with folded towel/aluminium foil for warmth.