Cement slabs are made by combining various minerals such as tricalcium silicate, dicalcium silicate, tricalcium aluminate and tetracalcium aluminoferrite. Each of these have their own properties that make them best suited for making cement slab. One diagnostic characteristic of a mineral used to make a cement slab is the formation of crystal structure.
I think the answer is a or c
Answer:
Your pulse will go higher or lower, This explains the changes in our pulse rate because, our heart is having to work twice as hard. Our heart is having to work twice as hard because while its producing oxygen its also getting rid of the Carbon Dioxide. while you are jogging or doing any physical activity than your body requires alot of energy and produce a lot of carbon dioxide which causes the heart to beat fast as to remove co2 and take o2 from the blood leading to higher rate of pulse. on the secon hand if you are sedentary , consumption and production of o2 and co2 respectively will decrease leading to the slow beating of heart leading to low pulse
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Answer:
Yes, this ring is pure gold because when we divide the mass by the volume we get our density for the ring, which comes out to about 19.32.
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