Meat contamination because humans do not eat air or fertilizer so meat contamination is the only logical answer.
Answer: The total mass of reactants and products is the same during a chemical reaction.
Explanation:
the total mass of reactants is equal to the total mass of products.
The state of matter of Polaris, the north star is gas.
<h3>What are stars made of?</h3>
Stars are made up of a mixture of hot gases.
The mixture consists of helium and hydrogen. Hydrogen burns into helium to give starts a shining appearance when observed from a far distance.
Thus, the state of matter of all stars, including the north star, is gas.
More on stars can be found here: brainly.com/question/21521087
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The freezing temperature at a normal sea level air pressure is negative 78.5 degrees.
Answer:
Sulfite contains 3 oxygens and sulfate contains 4 oxygens
Explanation: