Answer:
(D) parasite........................
Answer:b
Explanation:the water will not be hot nomore because of the cold water
The FREQUENCY of light remains unchanged once it leaves the source.
Answer:


Explanation:
Given



See attachment
Required
Determine PCD and CPD
First, we need to calculate CPD
Since DPA is a straight line and CPA = 100;
We have that:
--- angle on a straight theorem
Substitute 100 for CPA

Subtract 100 from both sides


Next, we calculate PCD
We have that:
--alternate angle
In triangle PCD
--- angles in a triangle
Where

So, we have:


Subtract 136 from both sides


I think it’s C sorry if it’s wrong :(