Geography

Geography, 29.08.2019 04:30, 7obadiah

Earth’s crust is the same density and thickness throughout true or false?

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Geography, 12.07.2019 00:50, mountainwilson

Which statement is true about the earth's crust? the earth's crust is uniform in thickness. the earth's crust is thinnest under the oceans. the earth's crust is thinner under the poles and thicker at the equator. the earth's crust is thinnest under mountainous regions.

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Physics, 10.09.2019 20:30, kobz

The surface area of the earth's crust is 5.10*10^8km^2. the average thickness of the earth's crust is 35km. the mean density of the earth's crust is 2.8g/cm^3. the most abundant element in the earth's crust is oxygen with an abundance of 4.55*10^3g/t. calculate the total volume of the earth's crust.

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Chemistry, 24.09.2019 01:20, rero

Earth's surface area is 5.10 × 108 km2, and its crust has a mean thickness of 35 km and mean density of 2.8 g/cm3. the two most abundant elements in the crust are oxygen (4.55 × 105 g/t) and silicon (2.72 × 105 g/t), and the two rarest non-radioactive elements are ruthenium and rhodium, each with an abundance of 1 × 10−4 g/t. what is the total mass of each of these elements in earth's crust? 1 metric ton (t) = 1,000 kg.

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Chemistry, 16.10.2019 19:00, alext549

13. earth's surface area is 5.1 x 10^8 km², its crust has an average thickness of 35 km and an average density of 2.8 g/cm'. the two rarest (non-radioactive) elements in the crust are ruthenium and rhodium, each with an abundance of 1.0 x 10g/metric ton crust. what is the total mass of these two elements in the earth's crust? (1g = 1 x 10 metric ton)

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