Answer:
a primitive mammal that lays large yolky eggs and has a common opening for the urogenital and digestive systems. Monotremes are now restricted to Australia and New Guinea, and comprise the platypus and the echidnas.
Explanation:
I believe the correct response is D. A single variable.
B. The boiling point would be lower; water boils at lower temperatures at high altitudes.
The Human Genome Project. The project was a international scientific research project with the goal determining the sequence of nucleotide base pairs that make up human DNA.