Answer:
B. An astronaut in a spaceship
<u>Isolated</u><u> </u><u>system</u><u> </u><u>:</u><u>-</u>
In an isolated system, there is no transfer of energy or matter between the system and the environment.
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The answer is the first one sand
I am Not Sure About Your Question But,
Although every person's daily caloric intake is individual, based on their personal goals and needs, nutrition experts estimate that average daily consumption at each meal should be broken down as follows: 300 to 400 calories for breakfast, and 500 to 700 calories each for lunch and dinner.
Answer:
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Explanation:
Nitrogen dioxide is a chemical compound with the formula NO 2.It is one of several nitrogen oxides. NO 2 is an intermediate in the industrial synthesis of nitric acid, millions of tons of which are produced each year for use primarily in the production of fertilizers.At higher temperatures it is a reddish-brown gas.
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