________ is the study of poisons and their effects on people and ecosystems
Fill in the blank(s) with correct word
Toxicology
Environmental & Atmospheric Sciences
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About what percentage of Earth's surface is land?
A. 75 percent B. 50 percent C. 18 percent D. 29 percent
Environmental & Atmospheric Sciences
The moderately leached soil rich in aluminum and iron compounds that is characteristic of the eastern United States is a ________ type of soil.
A. marble B. laterite C. pedalfer D. pedocal
Environmental & Atmospheric Sciences
Individuals of a single species fighting over access to a limiting resource is one example of ________
A) intraspecific competition B) interspecific competition C) resource partitioning D) symbiosis E) competitive exclusion
Environmental & Atmospheric Sciences
The ________ was the first organized territorial state in China
A) Qin dynasty B) Xia dynasty C) Shang dynasty D) Ming dynasty E) none of the above
Environmental & Atmospheric Sciences