Answer:
a,the ability to go from a single cell to multicellular organism
Geological processes are events that occur on a geological timescale ranging between millions of centuries, hundreds of meters, and thousands of kilometers. Compare this to the everyday models from physics and engineering operated at laboratory units an
Atoms are electrically neutral because they have equal numbers of protons positively charged and electrons negatively charged.
Maybe because food was here before the population even started to grow?♀️