Which child is most likely to have been the speaker of thisnarrative? “On Saturday, we went camping. When we got to our campsite, Richieand I pitched the tent while Dad started dinner. The trout tasted great. Richiewas so proud that the tent stayed up

The ion channels found at excitatory synapses allow

a. sodium to enter the neuron. b. neurotransmitters to enter the neuron. c. sodium to leave the neuron. d. potassium to enter the neuron. e. neurotransmitters to leave the neuron.

Failing to recycle because we'd rather save a few minutes a week to do something else we find more rewarding is an example of a/an

A) slidingreinforcer. B) public good. C) altruistic act. D) tit-for-tat strategy.