Answer:
the answer is b, there is more than one variable
<span>The word that would complete the sentence, "A loud noise was heard ____ hour ago." is an. The use of "a" is for the consonant and "an" if the first letter of the word following it is even. However, the word "hour", though it starts with consonant letter , h, it is still pronounced as though it has even first letter.</span>
The answer is TRUE.
Energy is an extensive property, which means that it is in proportion to the amount of matter: more mass, more energy.
You can measure, for example, the internal energy per mol or per gram of several compounds or elements. then if you want to know the total internal energy of the system you have to multiply by the number of moles or grams, depending on the unit of the internal energy that you use.
Filtration is used to separate large particles but this process does not provide pure solutions as some impurities still remain in the solution. On the other hand, distillation helps in the formation of pure water as it removes the impurities from the water or solution.
Answer: this ones old do you still need help on this one?
Explanation: