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:
C. a coronal mass ejection.
Explanation:
D. single- and simple multi-celled organisms
Although more complex animals like invertebrates and multi-celled organisms began to appear, it was very late compared to the original, simpler organisms for which the Precambrian time is characterized by.
Prior to the existence of the nation-state, Europe was comprised of several multi ethnic empires, the largest and most powerful of which was the Holy Roman Empire. Territory changed hands often. Many times, this took place because of marriage or as a result of war.
