Q: In atherosclerosis, thickening of an arterial wall due to this can restrict blood flow through the artery? Choices: - low blood pressure - high blood pressure - digestion - plaque formation A:
plaque formation

Q: Any sample of matter that has the same physical and chemical properties throughout the sample is called what? Choices: - element - molecule - type - substance A:
substance

Q: When a metal is oxidized and a nonmetal is reduced in a redox reaction, what is the resulting compound called? Choices: - soluble compound - alloy - magnetic compound - ionic compound A:
ionic compound

Q: What type of scale is the richter scale? Choices: - dimensional - algorithmic - asymmetric - logarithmic A:
logarithmic