Answer:
Mitochondrial DNA is circular, so it doesn't shorten when it replicates unlike the rest.
When water freezes(ice) it expands slightly
think ice cube tray, and why the amount of ice you get is more than the amount of water you put in<span />
Is an organism in its earliest stage of development. In humans, this is the stuff and defined as the developing organism from the fourth day after fertilization to end of the week. After that unborn baby is usually referred to as the fetus.
The answer would be between b and d but i would go with d
Not sure about the answer but I think its the size of the system
