Answer:
The answer I believe is c)
Answer:
b. passive solar heating
Explanation:
Passive solar heating is a system designed to use solar energy (energy from the sun) for the purpose of providing electricity or heat. This system is used in households and offices to absorb, retain and supply heat to the desired location.
This system is termed "passive" because it does not require any external device for conversion of solar energy rather it exploits sun's energy directly. Hence, according to this question, PASSIVE SOLAR HEATING is the form of renewable energy that uses the sun's energy most directly.
Answer:
<h2>I think it's letter B</h2>
because if you treat the first affected person then you can ensure that the disease is not around and the community got rid of it.
<span>Cell membrane is comprised of phospholipids (its major component ) which can create lipid bilayers because of their water attracting characteristics. Another lipid inside the cell membrane is </span>cholesterol, <span>which makes the cell membrane more fluid. Cholesterol is a waxy fat-like substance found in all cells of the body. </span>
<span>When you have a high cholesterol, it can create a plaque in your arteries thus, develop a high risk of heart disease. People who have high cholesterol has a greater possibility to acquire coronary heart diseases.</span>
If lots of things were changed (independent variable) then you wouldn’t know what caused the trend(s) in your results so you have to control all but one variable so you know that you are just changing the one thing so that is the only thing that could cause the trend. I hope that made sense
