Which characters of the fossils of dinosaur indicate that reptiles are closely related to birds

An atom of nitrogen had seven protons in its nucleus. how many electrons does it have

What prevents odyssey from killing the sleeping cyclops

The hematodinium parasite becomes less of a problem for the blue crab when the crab is very young. fishing is thriving in the region. the crab moves to less salty water. a significant percentage of the population is impacted.