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lys-0071 [83]
4 years ago
13

What is the earth’s convention currents responsible for?

Chemistry
1 answer:
netineya [11]4 years ago
4 0
Convection currents in the magma drive plate tectonics. Heat generated from the radioactive decay of elements deep in the interior of the Earth creates magma (molten rock) in the aesthenosphere. Theaesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the Earth that extends to 2900 km.
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An object is acted upon by a force of 22 newtons to the right and a force of 13 newtons to the left. What is the magnitude and d
umka2103 [35]
22 Newton’s to the right but I’m not to sure make sure to check other answers!
5 0
4 years ago
What is the wavelength of electromagnetic radiation with a frequency of 9.23 × 107 Hz?
Igoryamba

Answer:

The wavelength of the given electromagnetic radiation is 3.25 m.

Explanation:

We know that,

Frequency (f) = c / λ;

where,

c - speed of light = 3\times10^{8} m/s

λ - wavelength of the radiation.

Given,

f = 9.23 \times10^{7}  Hz,

From the above formula,

λ =\frac{c}{f}

λ = \frac{3\times10^{8} }{9.23\times10^{7} }

λ = 3.25m;

Therefore,

Wavelength of the given radiation = 3.25 m

3 0
4 years ago
Methane is the chief constituent of petroleum fuel <br> A:yes <br> B:no
Ad libitum [116K]
Yes

Methane also is the chief constituent of natural gas, which contains from 50 to 90 percent methane (depending on the source), and occurs as a component of firedamp (flammable gas) along coal seams.
3 0
3 years ago
A gas that has a volume of 28 liters, a temperature of 45 °C, and an unknown pressure has its volume increased
allochka39001 [22]

Answer:

2.5 atm

Explanation:

V1 = 28L

T1 = 45°C = (45 + 273.15)K = 318.15K

V2 = 34L

T2 = 35°C = (35 + 273.15)K = 308.15k

P2 = 2.0atm

P1 = ?

From general gas equation,

(P1 × V1) / T1 = (P2 × V2) / T2

P2 × V2 × T1 = P1 × V1 × T2

P1 = (P2 × V2 × T1) / (V1 × T2)

P1 = (2.0 × 34 × 318.15) / (28 × 308.15)

P1 = 21634.5 / 8628.2

P1 = 2.5 atm

The initial pressure of the gas is 2.5atm

5 0
3 years ago
Correct possible values of l for n = 4?
Kamila [148]

Answer:

0,1,2,3

Explanation:

for the given value of n , l = 0 to n-1

so if n = 4

l = 0 to 4-1

6 0
3 years ago
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