Inhibitory synapses __________ the firing of a postsynaptic neuron;

Samuel became upset when he found out his roommate Jake ate the last slice of pizza in the fridge. He responded by hiding Jake's algebra homework. Hiding Jake's homework in response to Jake's pizza eating is an example of ___________

a. sadness b. pessimism c. anger d. aggression

Twin studies have demonstrated that heredity has little to do with gender-role learning

Indicate whether the statement is true or false