The event that marks the end of the Paleozoic Era is known as:

1. The dinosaur extinction
2. The great dying
3. The oxygen catastrophe
4. The Cambrian explosion

Patricia is told by her physician that her body and brain chemistry have physically adapted to the drug and that she has become dependent on the tranquilizers prescribed for her by another doctor.

2. what process do mrna and trna work together to complete? (3 points)

Anurse is in the dining room and overhears a new nurse tell a client with body dysmorphic disorder that she's much too thin and must eat more before she can go home. the client bursts into tears and runs out of the dining room. what is the best way for the nurse to address this situation?