Answer:
D
Explanation:
Because substance abuse is a Health problem
The AV valves close first, then the semilunars open and close, then the AV valves open
The one that could be contracted from airborne germs is : Chicken pox
Which why it spread easily. By being in the same room with an infected, you're very likely to be exposed with the viruses even though you never made a contact with the infected
hope this helps
Answer:
D
Explanation:
Bleach and Ammoniaare dammaging if i remember correctly.
Answer:
strength
Explanation:
athletes need speed but in order to be fast you also need to have strength to help your body
