Chemicals that cross the synapse and influence whether the neural impulse is passed on to the next neuron are called:

gold discovery in california, and pioneer settlers were sometimes pulled west because they wanted to make a better living. others received letters from friends or family members who had moved west. these letters often told about a good life on the frontier. the biggest factor that pulled pioneers west was the opportunity to buy land.

welcome mark brainliest i am trying to get to the next level.

responsibilities im assuming

question 1: paragraph 3

question 2: paragraph 2

question 3: paragraph 1

hope this !

can you me on my ss question?