Answer:
B - C - D
Explanation:
Really?
You choose 3 so you single out the wrong one.
The first one is clearly not the answer so just choose the other three.
The toxin damages tissue in the area of infection. Most typically in the throat or nose. the infection produces a gray membrane which is made of dead cells and bacteria. This membrane is known to obstruct breathing.
Answer:
The null hypothesis is incorrect.
Explanation:
The null hypothesis is incorrect because the average number of bacteria did not remain the same at the source and at the outlet. We know that bacteria reproduce in a very less time and they use reproduction methods such as binary and multiple fission so with the passage of time, the population of bacteria increases and did not remain the same at the source and at the outlet.
The temperature is rising which makes the Artic and Antarctic ice melt, rising the sea levels.
Hope it helped,
Happy homework/ study/ exam