Which of the following is a similarity between the neurotransmitters
acetylcholine and glutamate?
o both are associated with alzheimer disease.
both play a key role in reducing the production of glial cells.
o both are responsible for the myelination of dendrites.
both play a key function in the brain by inhibiting neurons from firing.

Sarah is sitting at the top of the slide in the schools playground. which will increase sarah’s kinetic energy a- an additional child is added to the top of the slide. b- sarah is pushed and moves down the slide. c- sarah climbs down the ladder and off the slide. d- the ladder is moved to the other side of the yard.

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation