The root word of Unicellular already tells you the answer. Uni means only one cell. So the answer is one cell.
The answer would be e. it would have released water in a volcanic outgassing. The planets were hot to have gas from the solar nebula. Earth,Mars as well as Venus then created their atmosphere through volcanic eruption and retain gases from comet and icy planetesimals vaporizing.
I honestly think it’s the second one
Sorry if I’m wrong
Answer:
c. the cells grow in size and content producing mainly proteins
