The two major types of seismic waves are ____________________ waves and
____________________ waves. Fill in the blank(s) with the appropriate word(s).
surface, body
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Which of the following best matches the description?Substances that endanger life if encountered.
A. RCRA B. National Priority List C. LD50 D. waste minimization E. Superfund F. CERCLA G. reactivity H. acute toxicity I. ignitability J. threshold levels K. hazardous wastes L. chronic toxicity M. synergism N. corrosiveness O. toxicity
Many businesses are exploring and adopting the "design for the environment." Although some of the following may occur as spin-offs, which response is the primary emphasis of the design for the environment?
A. Preventing environmental problems to save money and stay competitive in future markets B. Hiring more environmental science and environmental studies graduates C. Recycling their products D. Public relations about their environmental policies E. All of these are emphasized equally by businesses adopting and exploring the "design for the environment."
Use the pictures to determine what type of isolation might occur because of the type of organism shown
A) mechanical isolation B) behavioral isolation C) structural isolation D) reproductive isolation E) geographic isolation
Recycling rates have changed over the years since municipal solid waste recycling was initiated in the early 1960s. During what time period were these rates the highest?
A) 1980-1985 B) 1985-1990 C) 1960-1970 D) 1995-2000 E) 1990-1995