Question: o Question 26 (2 points) The numbers 1 through 4 are used to identify four different elements on the periodic table. Which element is expected

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Question 26 (2 points) The numbers 1 through 4 are used to identify four different elements on the periodic table. Which element is expected to have 2+ charge when it forms an ion? Question 27 (2 points) Scientists believe they know the average global temperature over the last 160,000 years. Which property of the ice core samples from Antarctica provides this information? (_) The thickness (_) The carbon dioxide concentration (.) The *H/?H ratio (_) The temperature

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