Answer:
Explanation:
Given data:
wavelength = 21 cm
from wein's displacement relation we have
Where,
b is wein's constant and it is given as
and T is temperature of radiation , represent wavelength
Putting all value in the above equation to obtained desired temperature value
<span>c. phanerozoic eon Im like 25% sure</span>
I think the answer is
B) All of these are corrects
maybe i do i dont even know anymore
Explanation:
Conjuring new lands on people moving into the region