What type of smog is created primarily by the burning of heavy fossil fuels such as coal and heavy oils?
A. photosynthetic
B. ozone
C. sulfur dioxide
D. particulate matter
Answer: C
Trades & Technology
You might also like to view...
A knowledge of basic geometric constructions done with a compass or dividers and a steel ____________________ is required of a machinist in laying out work.
Fill in the blank(s) with the appropriate word(s).
Trades & Technology
A protective casing that requires no finishing is known as a(n) _____.
a. control joint b. L-bead c. J-bead d. expansion joint
Trades & Technology
On which of the land use capability classes is suggested use restricted to non-production purposes, only wildlife and recreational purposes being appropriate?
A) IV B) I C) II D) VI E) VIII
Trades & Technology
Electricity is the flow of negatively charged particles called electrons through an electrically conductive material.