How has international trade improved the availability of food in the United States and around the world?
What will be an ideal response?
Because growing seasons are directly opposite between the northern and southern hemispheres, world trade has made it possible for fresh fruits and vegetables to be enjoyed all year long. World trade has also allowed the United States to supply other countries with products that are grown more efficiently in the United States than anywhere else.
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A blood clot attached to the wall of a vessel is called a(n)
A) embolus. B) thrombus. C) plaque. D) coagulant. E) platelet plug.
1.7 is read as "one and seven ____."
A. ten-thousandths B. thousandths C. hundredths D. tenths
Vinyl chloride is a colorless odorless gas used in the production of PolyVinyl Chloride (PVC) plastics and in numerous industries. Vinyl chloride is also a known human carcinogen and the US EPA’s Maximum Contaminant Level (MCL) in drinking water is 0.002 mg/L or 2 ppb. The vinyl chloride concentration in the soil outside of a plastic factory is 0.007 mg/kg, and the soil has a 15% organic content. Vinyl chloride (chloroethene) has a reported octanol-water coefficient equal to 4. Estimate the organic carbon normalized partition coefficient, Koc, using the estimation procedures based upon equations 2.73 and 2.74 and the sediment/water partition coefficient. Use the sediment/water partition coefficient to predict the possible equilibrium concentration of vinyl chloride in the groundwater.
What will be an ideal response?
High HC is caused by an excessive amount of unburned ____________________.
Fill in the blank(s) with the appropriate word(s).