Q: Answer the following question given this paragraph: A transformer has two coils, electrically insulated from each other. One coil is called the primary coil and the other is called the secondary coil. Q: A transformer has two coils, electrically insulated from each other. one coil is called the primary coil and the other is called the what? Choices: - tertiary coil - young coil - quadratic coil - secondary coil A:
A: secondary coil

Q: Answer the following question given this paragraph: When current flows in just one direction, it is called direct current (DC) . The current that flows through a battery-powered flashlight is direct current. Q: When current flows in just one direction, what is it called? Choices: - mono-current - reactant current - alternating current - direct current A:
A: direct current

Q: Answer the following question given this paragraph: Red blood cells are shaped like flattened disks. There are trillions of red blood cells in your blood. Each red blood cell has millions of molecules of hemoglobin. Hemoglobin is a protein that contains iron. The iron in hemoglobin gives red blood cells their red color. It also explains how hemoglobin carries oxygen. The iron in hemoglobin binds with oxygen molecules so they can be carried by red blood cells. Q: What in hemoglobin gives red blood cells their red color? Choices: - calcium - lead - barium - iron A:
A: iron

Q: Answer the following question given this paragraph: Q: Nearly all apicomplexans are parasites of what? Choices: - stars - plants - fungi - animals A:
A: animals