What residue of oil is the longest lasting in the environment?
a. tar balls
b. volatile components
c. oil sheens
d. evaporative aromatic compounds
e. slicks
a
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Which of the following is NOT a problem associated with pesticides?
A. bioaccumulation B. resistance to the pesticide C. They primarily affect target organisms. D. persistence in the environment
Which of the following is the definition of an essential amino acid?
A) any amino acid which the body needs for any purpose B) any amino acid which the body needs for proteins synthesis C) any amino acid which the body needs, but which it cannot synthesize D) any amino acid which the body needs and which it must synthesize
What type of region would the countries of Europe be classified as?
a. vernacular b. formal c. functional d. nodal e. perceptual
Which of the following properties determines the kind (wavelength) and amount of radiation that an object emits?
A. temperature B. latent heat C. density D. thermal conductivity