A seesaw is an example of a first class lever The fulcrum, which is the part of the lever that does not move, is in the middle. The resistance, which is the weight (person) you are trying to lift is at one end. The effort, which is the force applied to the lever, is the person sitting on the other end.
The answer is 2
Or B Im pretty sure
Hope this helps!!!
Answer:
Where are the answer choices
The correct answer is 300cc
Answer:
sickle cell anemia
Explanation:
People with sickle cell anemia have an abnormal version of hemoglobin. Hemoglobin is the protein that allows the red blood cell to carry oxygen through the body. This altered Hemoglobin is usually called sickle hemoglobin because of its "sickle" shape instead of the normal oval shape. Sickle Cell Anemia is hereditary.