Q: The term "environment of deposition" is useful for understanding the characteristics of what type of rock? Choices: - glacial - meteor - limestone - sedimentary A:
sedimentary

Q: Through which part of the body do most animals take in oxygen? Choices: - ears - rectum - nose - mouth A:
mouth

Q: Q: The earth's magnetic poles have done what repeatedly in the past? Choices: - rotated - stayed the same - demagnetized - switched places A:
A: switched places

Question: Q: What branch of science is the study of the universe, not of cosmetics? Choices: - theology - astronomy - epistemology - cosmology A:
Answer: cosmology

*Question*
Q: What type of isotopes have short half-lives and are given in very low doses? Choices: - stable isotopes - gasses - radionuclides - radioisotopes A:
**Answer**
radioisotopes

*Question*
Q: Protists, fungi, animals, and plants all consist of what kind of cells? Choices: - xylem - enzymes - parenchyma - eukaryotic A:
**Answer**
eukaryotic