if energy can't be created or destroyed, then it means there must have been a certain amount of energy when the universe was born, right? Is it possible to measure how much energy there was in the beginning?

the answer is c don't question i took the test

First Law of Thermodynamics: Energy can be changed from one form to another, but it cannot be created or destroyed. ... The First Law of Thermodynamics (Conservation) states that energy is always conserved, it cannot be created or destroyed. In essence, energy can be converted from one form into another.

Explanation:

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i have found an answer to your question but use it as information.

information: because weak acids/bases have low concentration of hydrogen ions, the addition of water has a large impact on the ph. 2. a difference in 1 unit is a 10x difference in concentration for example; a liquid with ph of 3 is 10x more acidic than a liquid with a ph of 4. therefore, a liquid with a ph of 3 is stronger.

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