I believe it is progression
we know that
the surface area of the top of the water
is calculated with the formula of the area of a circle

Step 1
Find the radius of the water tank in the middle of the tank
by proportion

so
For h=5 m
the radius is equal to r=1.5 m
Step 2
Find the surface area


therefore
the answer is
the surface area of the top of the water is 
Answer:
Wellness is a continuum, which means personal wellness can vary between very poor and very good. (A)
Have a great day/night! ^^
Platelets are essential for the clotting process that occurs<span> in plasma when blood ..... a blood transmitted virus that depresses the </span>immune system<span> and causes </span>AIDS<span>. .... However, if an Rh- person receives Rh+ blood, the </span>immune system<span> becomes ... the clumped red blood cells begin to rupture or are </span>destroyed<span> by phagocytes,</span>
Answer:
T
Explanation:
Its true because they are the most common.