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:
D. Indian princes' inability to decide on a format of government
Explanation:
The most difficult obstacle to overcome in the creation of an autonomous state after Indian independence was achieved is "Indian princes' inability to decide on a format of government."
This is evident in the case of the likes of Jammu and Kashmir, Hyderabad State, Junagarh, and Kalat who all had difficulties in accession of their state or territory to the other bigger British Raj territory who has gained independence.
This is because they were originally using a monarchy style of governance before independence and find it hard to determine a format of government to use after independence
In order for the Earth to get larger, more mass would have to be added. Since no new mass is added in the process, It's size doesn't increase.
C)Dodo birds and caribbean monk seals
Why? Dodo birds give it away, Dodo birds was hunted to extinction because there was no competition of where they lived for their coats and it was very easy to hunt them since they had no self defense.
Answer: United States, Canada, and Mexico
Explanation: