Mammalia (mammals) have hair or fur and produce milk
The art of breathing in someway.
The answer is in your heart and soul
Answer: I would go with B. Here’s why: An index fossil is usually easily recognizable, and underwent a wide geographic distribution. What leads me to believe B is the correct answer, is because it’s something that existed “ all over the world”.
Answer: B and C
Explanation: Both are below 6 on the scale so their not as hard or tough.
