Answer:
C. Prairie dogs vary their call only when their community is out of danger.
Explanation:
Pater Romuli Remique erat Mars.
This sentence means - Romulus and Remus's father was Mars. These two legendary brothers are said to have descended from the god of war himself, Mars, when he visited their mother Rhea Silvia. When they grew up, they founded the city of Rome.
They say grade one is easier to learn, and only takes about a year. Grade two is supposed to be more challenging, taking about two to three years. ;) It all depends, I guess.
