Question 14 plz help due in 2 min will mark brainlest

the frequency of the wave is 2 hertz

Explanation:

Frequency is defined as the number of cycle of waves that occur in one second.

Here the total number of cycle is equal to 10

The total time in which these 10 cycles occur is equal to 5 seconds

Now, mathematically frequency is equal to

where  is equal to number of cycles

and t is time

Putting the given values in above equation we get -

hertzs

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.

the answer is d.) homologous; have mammary glands