I think the correct stage would be In the prophase.
Answer to 9 is b (because bodily fluid is the easiest way to contract a disease)
And answer to 10 is a (because the disease is transferred by saliva)
A. It acknowledges the correct amount of decimal points and could be a reasonable measurement.
B is incorrect because we don’t have measurements down to the hundredth place on the ruler.
C is incorrect because it doesn’t acknowledge the amount of decimal places available, only stating it as a whole number.
D is incorrect for the same reason as C.
D. It’s filters the blood that is used by the excretory system.