Answer:
The air is clean and dry, not flooded with city lighting)
The are 27 member countries of the EU:
Countries: (I might be wrong! I typed this in a hurry.)
- Belgium
- France
- Germany
- Italy
- Luxembourg
- Netherlands
- Denmark
- Ireland
- Greece
- Portugal
- Spain
- Austria
- Finland
- Sweden
- Cyprus
- Czechia
- Estonia
- Hungary
- Latvia
- Lithuania
- Malta
- Poland
- Slovakia
- Slovenia
- Bulgaria
- Romania
- Croatia
Stay safe and Merry Christmas! :)
Answer: 
Explanation:
Using Weins displacement law:
where
= wavelength = 
b = constant =
T = Temperature in Kelvin = ?
Putting the values we get:

Thus the temperature of the blackbody will be 
Answer:
A. They are extremely difficult to extinguish because fuel obviously is abundant and oxygen can enter easily, even through joints in surrounding rock.
Explanation:
Coal bed fires refers to spontaneous combustion which are triggered by human activity (mining), lightning, wildfires etc.
This usually happen underground when the coal beds are exposed to oxygen as a result of mining activities or human induced fires or combustion.
The theory of plate tectonics states that the Earth's solid outer crust, the lithosphere, is separated into plates that move over the asthenosphere, the molten upper portion of the mantle. Oceanic and continental plates come together, spread apart, and interact at boundaries all over the planet.