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
Koalas benefit from tress because then can climb on them to keep away from danger such as other ground predators, Trees can also serve as a food source for them to eat in day to day life.
It is double replacement and am sure
All eukaryotic organisms have cells with a nucleus surrounded my a membrane.
It means that it's a living organism. As opposed to abiotic, which isn't a living organism.
