Answer:
D.
Explanation: Until recently, most people didn't know enough about disease to be
able to document it.
Answer:
D
Explanation:
during active exercises your heart rate increases and your breathing will get faster forcing your breathing muscles to work harder
Answer:
having uninvolved parents
Explanation:
having uninvolved parents
I can answer half of that question. New neurons are important because they die everyday and if new ones weren't made we would lose all of them in our bodies
Answer:
-9p
Explanation:
distributive property, 12p-21p
subtract.
this belongs in math