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Chemistry, 21.06.2019 19:00
The skeletal system performs a variety of functions that are crucial to maintaining life processes. what function is performed in the bone marrow, but not in the ossified bones of the skeleton? a oxygen transportation c mineral storage b. muscle attachment d red blood cell production
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Chemistry, 22.06.2019 16:50
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
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Chemistry, 23.06.2019 04:00
Which method would be best to separate a mixture of sand and gravel
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HgO decomposes when exposed to heat: 2HgO ---> 2Hg + O2 \DeltaΔH = +181.6 What mass of O2 can be...
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