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gulaghasi [49]
3 years ago
5

Describe the 3 stages in the " life cycle" of a volcano

Chemistry
2 answers:
Greeley [361]3 years ago
6 0

Answer:

active,dormant,extinct

Explanation:

SpyIntel [72]3 years ago
3 0

active,dormant,extinct


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dexar [7]

111.1 mL of water

Explanation:

Weight per volume concentration (w/v %) is defined as

weight per volume concentration = (mass of solute (g) / volume of solution (mL)) × 100

volume of solution = (mass of solute × 100) / weight per volume concentration

volume of solution = (1 × 100) / 0.9 = 111.1 mL

volume of water = volume of solution = 111.1 mL

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weight per volume concentration

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8 0
3 years ago
The nucleus of an atom ok K-42 contains
horsena [70]
Number of proton K=19

so, 42 - 19 =23

then the answer in 19 protons and 23 neutrons
3 0
3 years ago
The hydrogen-line emission spectrum includes a line at a wavelength of 434 nm. What is the energy of this radiation? (h= 6.626 x
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Wavelength = 434nm = 434 x 10⁻⁹m
planck's constant = <span>h= 6.626 x 10 ⁻³⁴ J
E =?
by using the formula;
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value for c is 3 x 10⁸ m/s
E = (6.626 x 10 ⁻³⁴ J)(3 x 10⁸ m/s) / 434 x 10⁻⁹m
E = 1.9878 x 10⁻²⁵ / 434 x 10⁻⁹m
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6 0
3 years ago
NAME THESE COUMPANDS
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Answer:

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8 0
2 years ago
What is the relationship between developed land, population and resource use?
givi [52]

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While both developed and developing countries have contributed to global environmental problems, developed countries with 85% percent of the gross world product and 23% of its population account for the largest part of mineral and fossil-fuel consumption, resulting in significant environmental impacts

3 0
2 years ago
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