Alkanes belong to which class of hydrocarbons?
A) alkali
B) aromatic
C) saturated
D) unsaturated
C
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In general, people's perceptions of the environment capture the actual characteristics of the environment
Indicate whether this statement is true or false.
Which of the following best matches the description?Property of materials which can cause danger to human health or the environment.
A. chronic toxicity B. hazardous wastes C. National Priority List D. reactivity E. corrosiveness F. ignitability G. LD50 H. Superfund I. toxicity J. RCRA K. threshold levels L. CERCLA M. synergism N. waste minimization O. acute toxicity
Which of the following is NOT one of the three dominant climate types for the Middle East region?
a. Mediterranean b. Desert c. Semiarid / steppe d. Tropical
How do CFCs affect the concentration of ozone in the stratosphere and contribute to the formation of the ozone hole?
What will be an ideal response?