Household wastes that properly can be flushed down the drain or toilet include all of the following except
A. herbicides.
B. window cleaner.
C. disinfectants.
D. ammonia.
Answer: A
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How are the location patterns of earthquakes, volcanoes, and fault lines in North America related to its tectonic plate boundaries?
What will be an ideal response?
Scrub vegetation refers to
A) woody plants with small, leathery evergreen leaves. B) drought resistant plants. C) a plant that survives seasonally unfavorable conditions underground. D) low shrubs and grasses with some adaptations to semiarid conditions. E) overstory (emergent layer) trees.
Since the equator-to-pole temperature contrast is the major cause of atmospheric circulations, you would expect wind speeds to be slowest in the:
A) autumn. B) winter. C) spring. D) summer.
What is the size of the full prokaryotic ribosomal complex?
A) 30S B) 50S C) 70S D) 80S