Answer: D. subjective discomfort
Explanation:
Subjective discomfort is when a person experiences displeasure and is unable to cope with certain scenarios or thoughts to the point where the displeasure can even manifest physically and take a toll on the body not unlike what Katherine experiences whenever she is about to leave her apartment.
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 
D body mass index as measures the amount of fat on your body.
Answer:
Environmental sanitation
Environmental sanitation encompasses the control of environmental factors that are connected to disease transmission. Subsets of this category are solid waste management, water and wastewater treatment, industrial waste treatment and noise pollution control.
Water
Water is an inorganic, transparent, tasteless, odorless, and nearly colorless chemical substance, which is the main constituent of Earth's hydrosphere and the fluids of all known living organisms. It is vital for all known forms of life, even though it provides no calories or organic nutrients
Air
Walk, bike, carpool, or take public transit.
Reduce heating needs by making your house more energy efficient. Say no to wood fire burning.Use hand-powered or battery-operated garden tools. Know before you go. Check your tire pressure. Reduce, reuse, and recycle!Be idle-free.
