Which observation would most likely be made before an experiment? measuring plant growth in response to different fertilizers determining the mass of a product from a chemical reaction counting the number of seeds that germinated after soaking in water noticing the number of tulip plants that sprouted late in a garden

Red blood cells are responsible for transporting oxygen in the blood. people with sickle cell anemia were born with a defective gene that results in sickle-shaped red blood cells. individuals with the disease often suffer pain in their extremities due to the build-up of these cells causing blockages in the blood vessels. the shape of the blood cells also reduces the amount of oxygen transported in the blood.