The control group is B and experimental group is A
<em>The enzyme secreted by stomach on proteins is <u>pepsin...</u><u />
actually it is in inactive form called <u>pepsinogen</u><u /> which due to hydrochloric acid <u />converts into the active pepsin....</em>
There are three responses by the nurse would be appropriate. They are listed below;
<span>-"The virus remains quiet until a stressful event occurs to reactivate it."
-"Infections may be transmitted by individuals unaware that they have it."
-"Transmission is through contact of infected mucous membranes."</span>
Answer:
I guess it's
Explanation:
C. Atmosphere and hydrosphere
.
.
Sorry if I'm wrong!
B i think because it sounds like the most logical answer.
