Answer: I think the answer is A I might be wrong but I'm 90% sure this is right mark me BRAILIEST PLS
Step-by-step explanation:
Hello there
1) asthenosphere lies below lithosphere and part of uppermantle.
it's highly viscous and behaves plastic.
it lies approximately 70-150 km below surface depending which . (50km below oceanic crust and 150km below continental crust)
2) 1/2 '4 =1/16 (4 is to the power of 1/2)
hope this helps
thank you
Best Regards Queen Z
The answer is 28.26 because to find the area of a circle you need to do pie time radius squared.