The frequency of masturbation is correlated with scores on various satisfaction measures; this with the correlation seen between the frequency of penile-vaginal intercourse and score on satisfaction measures. a. positively; accords b. negatively; accords c. negatively; contrasts d. positively; contrasts

Why is it economically necessary for the east germans to build berlin wall

This cartoon appeared in 1916. the topic of the cartoon isa)the reason for the start of world war i.b)the success of us submarines in world war i.c)the military alliance between germany and mexico.d)the attitude in the us towards submarine warfare in world 

Which of these describes a social effect of the civil war? a) fields were left unplanted because the slaves had been freed and much of the male population was unavailable to plant or harvest crops. b) over 600,000 men died, mostly because of the lack of food, clean water, and hygienic medical practices. c) after the emancipation proclamation was issued, african americans were allowed to join the union army. d) lincoln’s assassination after the surrender caused a disruption in the rebuilding of the nation.