Secondary sources are good places to start research because they often represent broad summaries of information on your topic.
Answer the following statement true (T) or false (F)
True
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Herbicide A costs $29.00 per bag, and each bag treats 15,000 ft.2 (15M). Herbicide B costs $16.00 and covers 10,000 ft.2 . Which is more economical?
What will be an ideal response?
A tanker truck carrying liquid herbicide overturned and caused a spill over a field. The liquid herbicide remained on the soil for 30 min before evaporating into the air. The mass diffusivity of the liquid herbicide in the soil is 2 × 10?8 m2/s. If a concentration of 0.1 percent by weight will destroy most life, determine the depth of the soil at which plant and insect life is likely to be affected by the spill.
What will be an ideal response?
Which tool should not be used when trying to remove a fastener?
A. Box-end wrench B. Socket C. Open-end wrench D. Penetrating oil
One of two basic types of drawings cutting through an entire building or structure, ____ cut across the entire length of a building and may be represented as actual scaled drawings or as symbolic, single-line drawings.
A. longitudinal sections B. cross sections C. lengthwise sections D. lateral sections