You can tell if matter is conserved if the substance changes . If the substance changes then matter has been conserved .
I and IIIiiiiiiiiiiiiiiiiiiiii
Answer:
Answer is D
Explanation: Experiments in food industry have demonstrated that <u><em>Clostridium botulinum</em></u> spores are highly resistant to radiation, so then <em><u>Clostridium botilinum</u></em> in canned food,must be controlled by high temperatures (around 120 Celsius degrees)or acid pH (lower than 4,7) in canned food.
Backward chaining starts with a goal then searches back. Forward chaining starts with facts and searches forward.
