in the brain, myelination a. reabsorbs neurotransmitters once the axon has released them. b. deactivates neurotransmitters that have not been used c. relay messages across the synapse d. increases the efficiency of signal transmission

The cluster of developing cells from conception until birth is called an

Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one

Use the distance formula to determine weather each pair of segments have the same length