Which of the following elements is an actinide?
A) Np
B) Pr
C) W
D) Fr
Question 2
Which of the following soil types would you expect to take the longest time to become saturated?
A) loosely packed soil with a large amount of humus in it
B) tightly packed soil with a large amount of humus in it
C) loosely packed soil with a large amount of clay in it
D) tightly packed soil with a large amount of clay in it
E) All of the above will become saturated at the same rate.