Geography, 10.10.2019 02:30 cynthiauzoma367
1. the presence of 7.4% (by weight) of the element ni in the earth's core is indicated by geophysical (seismic data). the mass of the earth is 5.97 x 1027g; the mass of the core is: 1.94 x 1027g; the mass of the mantle is: 4.02 x 1027g. a. the volume of the earth's crust is 1.02 x 1010km3; mean crustal density is 2.8g/cm3; and mean concentration of ni in the crust is 75 parts per million (ppm) by weight. how many grams of ni are in the earth's crust? explain, you.
Answers: 2
Geography, 21.06.2019 15:30
How many cups of raisins do they haveall together? 2. about 210of the bones in your body arein your skull. your hands and skullcombined account for 720of you bones.how many bones do you have in yourhands? 3. for mother’s day, jen took her motherhiking. they hiked three trails. thearrowhead nature trail is 115of amile, the coquina baywalk is 210_ of amile, and the robinson preserve is 412of a mile. how far did they hike in all?
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Geography, 22.06.2019 21:30
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Geography, 22.06.2019 22:50
[bws.05]where would uncharged particles be most likely found in an atom? o on the electrons o inside the protons o inside the nucleus outside the nucleus
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1. the presence of 7.4% (by weight) of the element ni in the earth's core is indicated by geophysica...
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