The answer is C) milky way. Earth lives in the galaxy, which is apart of the milky way.
~Deceptiøn
The zygote, a single cell, implants its self to the uterine wall and it developes into an embyro which is a cluster of cells.
Glassy, because luster refers to its ability to shine/sparkle etc
NAD is the electron carrier which is used in redox reactions in cellular respiration