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

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

burning fossil fouls really decrease the carbon in the atmosphere so b