College students faced with unsolvable problems eventually give up and make only half hearted attempts to solve new problems, even when the new problems can be solved easily. this behavior is probably due to: . learned .
b. contingency blocking.
c. latent learning.
d. response generalization.

a. learned helplessness.                        

Explanation:

Learned helplessness: In psychology, the term learned helplessness was first noticed by a psychologist named Martin Seligman while experimenting with dogs.

Learned helplessness is defined as a mental state that leads an organism to tolerate aversive stimuli, unpleasant, or painful stimuli and the organism becomes unable to avoid the encounters related to those stimuli even if the organism can escape because they have learned that it is inescapable.

In the question above, College students are facing learned helplessness.

giant impact theory - the moon was formed from the collision between earth and another mars-sized body.

colliding planetesimals hypothesis - the moon was formed from the same cloud of material as earth.

capture hypothesis - the moon was locked into orbit by earths gravity as it was passing by it.

accretion hypothesis - the moon was formed from collisions and combining of planetesimals.

i think this is right, if not and you know better let me know.

answer; all of the answers are correct;