*Question*
Q: What happens to neutral matter when electrons are transferred between objects? Choices: - osmosis - it stays neutral - it dissolves itself - it becomes charged A:
**Answer**
it becomes charged

*Question*
Q: Photosynthesis uses solar energy, carbon dioxide, and water to produce energy-storing carbohydrates.what is produced as a waste product? Choices: - methane - calcium - sulfur - oxygen A:
**Answer**
oxygen

*Question*
Q: What do we call the mathematical field of study credited to french mathematician-philosopher rene descartes? Choices: - algebra - Euclidean geometry - calculus - cartesian geometry A:
**Answer**
cartesian geometry

*Question*
Q: To measure what changes that occur in chemical reactions, chemists usually use a related thermodynamic quantity, calledenthalpy? Choices: - ion exchange - evaporation - entropy - energy A:
**Answer**
energy