There are two types of polar climate: ET, or tundra climate; and EF, or ice cap climate. A tundra climate is characterized by having at least one month whose average temperature is above 0 °C (32 °F), while an ice cap climate has no months above 0 °C (32 °F).
the only possibilities for the childrens genotypes are; A and AB, so the fact that the child has a blood type of O isn't possible
A non-living system would be a machine, such as an electrical system, air conditioning, etc. and a living system would be an animal, person, plant, etc.
You didn't list any...
LAC = inducible repressor
TRP = repressive
Its "C"Oxygen because it is used as oxidative phosphorylation
