One of the contributing factors to depression may be low levels of which of the following neurotransmitters? (2 points)

endorphins

acetylcholine

gaba

serotonin

glutamate

100 pounds is 100 pounds no matter the object or item being weighed

I'm not sure what your asking buddy.. but i know that you can weld two peices of steel by pure force and pressure.

Year  1936,  lehman predicted that the earths 'inner core' is solid. she observed that the seismic signals during her study were bent and did not pass through instead bouncing back. later it was confirmed that the earth's inner core was solid made up of nickel-iron and had a molten outer core.