The first chemical explosive, Gunpowder, is a mixture of_____.
A. Sulfur, Charcoal and Nitrogen Oxide
B. Sulfur, Charcoal, and Potassium Nitrate
C. Sulfur and Charcoal
D. Charcoal and Potassium Nitrate
A. Sulfur, Charcoal and Nitrogen Oxide
B. Sulfur, Charcoal, and Potassium Nitrate
C. Sulfur and Charcoal
D. Charcoal and Potassium Nitrate
A. DNA
B. Amino acids
C. Vitamins
D. Oxygen
A. Mitochondria
B. Vesicles
C. Lungs
D. Liver
A. take in Carbon Dioxide
B. take in Oxygen
C. give off Carbon Dioxide
D. give off Oxygen » Read More…
A. take in Carbon Dioxide
B. take in Oxygen
C. give off Carbon Dioxide
D. give off Oxygen
A. Anemometer
B. Battery
C. Galvanometer
D. Rectifier » Read More…