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Umnica [9.8K]
3 years ago
12

Volcanism on Earth is always associated with plate tectonic activity.

Physics
1 answer:
hjlf3 years ago
7 0

Volcanism is associated with two of the plate boundary types: divergent and convergent margins. ... Volcanism can also occur at intraplate volcanoes. These volcanoes are believed to have sources deeper down in the Earth's mantle that remain in a relatively fixed location relative to the always migrating plate boundaries.

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A rock layer that stores and transmits water​
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The ability of the ground water to pass through the pore spaces in the rock is described as the rock's permeability. Permeable layers of rock that store and transport water are called aquifers.
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3 years ago
A piece of paper looks white in both the noonday sun and under moonlight, even though there is less light being reflected off th
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What is the relationship of an object's acceleration, its mass and the force applied to it?
Anon25 [30]

Answer:

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3 years ago
A seamount is an isolated land mass rising from the ocean floor.<br> a. True<br> b. False
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The answer is A, True.
7 0
3 years ago
A spherical balloon has a radius of 6.95 m and is filled with helium. The density of helium is 0.179 kg/m3, and the density of a
Aleks [24]

volume of balloon

= 4/3 T R3

= 4/3 x 3.14 x 6.953

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uplift force

= volume of balloon x density of air x 9.8

= = 1405.47 x 1.29 x 9.8

= 1813.05 x 9.8 N

weight of helium gas

= volume of balloon x density of helium x

9.8

= 1405.47 x .179 x 9.8

= 251.58 x 9.8 N

Weight of other mass = 930 x 9.8 N Total weight acting downwards

= 251.58 x 9.8 +930 x 9.8

= 1181.58 x 9.8 N

If W be extra weight the uplift can balance

1181.58 × 9.8 + W × 9.8 = 1813.05 * 9.8

1181.58+W=1813.05

W= 631.47 kg

3 0
3 years ago
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