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If a radioactive isotope had a half life of 1 billion years how much of it would be left after 1 billion , 2 billion, 3 billion, and 4 billion years
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Which type of respiration takes place when there is no oxygen present
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Biology, 22.06.2019 06:10, HOTaco1837
You are working in the lab and are working with the same element but with varying isotopes of the element. you are working with c-11, c-13, c-14, and c-15. what is the average atomic mass of this element? (use periodic table) a- 12 b-15 c-14 d-13
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Biology, 22.06.2019 14:30, mariap3504
The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping
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If a radioactive isotope had a half life of 1 billion years how much of it would be left after 1 bil...
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