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:
Wastewater treatment
Explanation:
The major aim of wastewater treatment is to remove as much of the suspended solids as possible before the remaining water, called effluent, is discharged back to the environment. As solid material decays, it uses up oxygen, which is needed by the plants and animals living in the water.
It would be D. The Torres Strait
Answer: it will be called wind i think .
Explanation: