During transmission of an action potential across a blank ca2+ channles 9pen triggering the synaptic visicles release blank to pass the signal to the postsynaptic neuron

Want fre points & brainliest? answer this drivers ed question correctly and i got you : ) where do you not need to look before you change lanes or pass another vehicle? a. out your window toward your target lane b. in your rearview mirror at cars behind you c. over your shoulder, at your blind spot d. inside the vehicle you plan on passing

Suppose you are making a map of stars around the sun, and you draw earth 1 cm from the sun on your map. the brightest star in the night sky is 8.6 light-years from the sun. on your map, how far would you place that star from the sun?

When did human beings first arrive in the americas? how did they get there?