1. using two to three sentences, summarize what you investigated and observed in this lab. 2. astronomers use a wide variety of technology to explore space and the electromagnetic spectrum; why do you believe it is essential to use many types of equipment when studying space? 3. if carbon was the most common element found in the moons and planets, what element is missing that would make them similar to earth? explain why. (hint: think about the carbon cycle.) 4. we know that the electromagnetic spectrum uses wavelengths and frequencies to determine a lot about outer space. how does it us find out the make-up of stars? 5. why might it be useful to determine the elements that a planet or moon is made up of?

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If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a.the mitochondria b.the nucleus c.the vacuoles d.the endoplasmic reticulum