4Fe + 3O2 → 2Fe2O3 Iron combines with oxygen to form rust. Given the chemical reaction, how many grams of rust would be produced if 3 grams of reactants were consumed?

Food provides molecules that serve as fuel and building material for all organisms. plants undergo photosynthesis and make their own food. other organisms, like us and the horse seen above, are consumers and eat food. how do all organisms use food as fuel? be sure to include the name of the process in your answer. me.

Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom

As the human population grows, what happens to our natural-resource requirements? o they increase o they decrease o they do not change. they go in cycles