Q: Q: What type of lens and mirrors have a negative focal length? Choices: - converging - convexing - subverging - diverging A:
A: diverging

Q: Q: What type of lipids contain the element phosphorus, carbon, hydrogen and oxygen? Choices: - filaments - eukaryotes - alleles - phospholipids A:
A: phospholipids

Q: Q: What remains a constant of radioactive substance over time? Choices: - temperature - volatility - acidity - rate of decay A:
A: rate of decay

Q: Q: Which theory describes the distribution of electrons in molecules in much the same way that the distribution of electrons in atoms is described using atomic orbitals? Choices: - molecular distribution theory - atomic orbital theory - atomic distribution theory - molecular orbital theory A:
A: molecular orbital theory