I think the correct answer from the choices listed above is the second option. The enzyme pepsin that is present in the stomach denature in the intestine due to the alkaline environment of the intestine. This is because pepsin has an optimum pH that is very low which is ideal for the acidic conditions of the stomach.
Synchroniser switch is in the "on" position.
Answer:
we'll use () to indicate the different boxes
( ) (r) (r)
(R) (Rr) (Rr)
(R) (Rr) (Rr)
You will have a 2 by 2 cell for your answer. One set of your test (rr) will go across the top as is shown and the other will be vertical (RR) as shown. Go down the line and put the letter you see at the top in each box and then do the same going across.
( ) (r) (r)
( ) (r) ( )
( ) (r) ( )
( ) (r) (r)
(R) (Rr) (R)
(R) (r) ( )
I tried to make this a comprehensible as possible but just draw your diagram and put the letters in the exact order as shown and then read this. It may make more sense that way.
Explanation:
Increased in pitch (frequency). It's the doppler effect.