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aliina [53]
3 years ago
13

What is one problem that modern Portugal does not face

Geography
1 answer:
mel-nik [20]3 years ago
3 0

the answer is colonial conflict for gradpoint

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Plateaus form when what material rises without breaking the earth’s crust?
kipiarov [429]

Answer:

Magma

Explanation:

3 0
2 years ago
Suppose that two stars in a binary star system are separated by a distance of 80 million kilometers and are located at a distanc
jonny [76]

Answer: 1) Angular separation equals 0.0000031 degrees

2) Angular separation in arc -seconds equals 0.011156"

Explanation:

For 2 stars separated by a distance 'S' and at a distance 'D' from the earth the angular separation in radians is given

\theta _{rad}=\frac{S}{D}

Applying values we get

\theta _{rad}=\frac{80\times 10^{6}}{150\times 9.46\times 10^{12}}\\\\\therefore \theta _{rad}=\frac{1}{18487500}radians

Now we know that 'π' radians equals 180 degrees thus the above value in degrees shall be equal to

\therefore \theta _{degrees}=\frac{1}{18487500\times \pi }\times 180^{o}=0.0000031^{o}

2)

The angular separation in arc- seconds is given by

\theta ''=\theta ^{o}\times 3600\\\\\theta'' = 0.0000031\times 3600=0.011156"

8 0
3 years ago
Where is the temperature of the mantle material greater?
kompoz [17]

Answer:

At the boundary with the core.

Explanation:

The mantle is the second layer from the top. It is bordered by the lithosphere above it, or rather by the crust, and by the outer core below it. The mantle is a layer which is in viscous state, being mostly consisted of molten metals and rocks. The temperature of this layer is not the same all throughout it, but it varies a lot. The temperature at its top part is around 200 C degrees, while the temperature at its bottom is around 4,000 C degrees. There's two reasons for this. One is that the core is very hot, so it makes the bottom part of the mantle very hot as well, and the other one is that the lithosphere is much cooler, as well as constantly getting new, cold, crust in it, which makes its top part much cooler. The mantle is the layer responsible for the movement of the tectonic plates on the surface, as it is the layer where the convection currents occur and drive the plates' movement.

5 0
2 years ago
What promise(s) did the military make to the Nigerian people? a. to solve the nation’s economic issues c. to divide Nigeria into
miv72 [106K]
since is says plural promise(s) i pick b. all of the above. because you cant just pick one its clever word play
8 0
3 years ago
Select the word that would best complete this sentence: It seems like all of Earth's unique qualities and dynamic processes are
Alchen [17]
The answer is interconnected

5 0
2 years ago
Read 2 more answers
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