a COOL DOWN routine helps overcome soreness and stiffness
Answer:
Carbon monoxide detector ,Emergency fire up ladder
Explanation:
Safety precaution
DNA helps scientists to better classify organisms is because each organ has a specific kind of DNA. For an example, brains and hearts have many small types of RNA. So if a scientists see some RNA they know that its a heart or a brain.
Answer: She can donate to anyone but can only receive blood from other Type O, Rh-negative people.
Explanation: