Biology, 26.03.2021 18:50, BeverlyFarmer
Barium sulfate BaSO4 is a white crystalline solid that is insoluble in water. It is used by 4 doctors to diagnose problems with the digestive system. Barium hydroxide, Ba(OH)2 is also a 2 white crystalline solid and is used in wastewater treatment. How many more oxygen atoms are represented in the formula for barium sulfate than in the formula for barium hydroxide
Answers: 3
Biology, 22.06.2019 00:10, rameseshajj
Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase
Answers: 1
Biology, 22.06.2019 05:50, lexi1268
The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes
Answers: 2
Barium sulfate BaSO4 is a white crystalline solid that is insoluble in water. It is used by 4 doctor...
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