Earth’s orbital speed around the Sun is closest to OC) 850 mi/h
Answer:
Celestial microwave radiation found a strange microwave signal causing background noise in the radio telescope. The signal came from every direction. The young universe would have been very hot. The microwave background radiation is the remaining heat from the Big bang.
I tried my hardest and this is what I put on MY test so good luck
Answer:
its cell body, dendrites, and axon
