Answer: False
Explanation: The Mesozoic Era was the “age of the dinosaurs.” The era ended with “The Great Extinction” which marked the end of the dinosaurs as the Cenozoic era began.
Answer:D. The metal in the door expands when it becomes warm due to an increase in kinetic energy, and contracts when it's cooler.
Explanation:
because the metal in the door expands due to warm to an increase in kinetic energy and contracts.
The can use D=m of the metal /volume
Answer:
a magnet that retains its magnetic properties in the absence of an inducing field or current