A terrestrial world's lithosphere is ________. A) the interior ...

[Diane]

A terrestrial world's lithosphere is ________.
 
  A) the interior region in which the planet's magnetic field is generated
  B) a layer of relatively strong, rigid rock, encompassing the crust and part of the mantle
  C) a layer of hot, molten rock encompassing the core and part of the mantle
  D) a thin layer of rock that lies between the mantle and crust

Question 2

Imagine that you are trying to stop neutrinos with a lead shield. How thick would you need to make this shield to ensure that it can stop a neutrino?
 
  A) about 700,000 kilometers (the radius of the Sun)
  B) about 150 million kilometers (the size of an astronomical unit)
  C) about 14 billion light years (the size of the observable universe)
  D) about one light year
  E) about one meter

[snackralk]

Answer to Question 1

B

Answer to Question 2

D

[Diane]

Thank you!

[snackralk]

Always glad to help...