The Great Pacific Garbage Patch is a region of the north central Pacific where a high concentration of confetti-like
plastic particles swirl slowly around an area as large as the state of ____.
a. Alaska
b. Idaho
c. Rhode Island
d. Texas
e. Pennsylvania
ANSWER: d
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The most important vector of Lyme disease in the eastern United States is
A. Dermacentor virabilis. B. Dermacentor andersoni. C. Staphylococcus aureus. D. Ixodes scapularis.
Which of these can found in oak wood but not in pine wood?
A. secondary xylem B. secondary phloem C. vessel members D. tracheids E. ray cells
What is the name of the field that is revealing and describing much of the invisible living world by sequencing all of the DNA in a particular habitat?
A) Stem cell science B) Bioethics C) Metagenomics D) Biochemistry
Type of bonding in which an atom loses or gains electrons:
A) Ionic B) Covalent C) London D) Hydrogen