What impact does overgrazing have on soil erosion? 

Observe the table below from the Wood et al. comparative study of organic and conventional agriculture in Australia. Choose “supported” or “not supported” next to each statement to indicate whether the statement is supported by the data in the table.    While on-site energy usage/dollar is higher on organic farms, total energy/dollar used is lower on organic farms. [ans1] Organic farms disturb less land per kg food produced than conventional farms. [ans2] For the environmental endpoints analyzed, per dollar, organic farms have lower impact. [ans3] You can feed people with less environmental impact using organic agriculture. [ans4]

The A horizon of soil is

The O horizon of soil is _________.

Which of the following is FALSE about organic farming?  

Next to each description select “farmed fish”, “wild-caught fish”, “both farmed and wild-caught”, or “neither farmed nor wild-caught”.  Tends to have higher levels of pesticides and contaminants. [ans1] Bycatch is a significant environmental concern for this type of fish. [ans2] Waste disposal is a significant environmental concern for this type of fish. [ans3] Large-scale antibiotic use significant concern for this type of fish. [ans4] Consumption of this type of fish can have health benefits over consumption of other meats. [ans5] This type of fish consumption led to the crash of the cod populations on the east coast of the US. [ans6]    

An increase in assets financed by equity increases the debt ratio.

The rapid decrease of the Atlantic Cod population in the late 1900s was an example of what challenge still facing modern fisheries? 

Choose “supported” or “not supported” next to each of the following statements, in terms of whether each of the following statements were supported by data we looked at in class about environmental impacts of food choices: Organic foods are always environmentally superior. [ans1] Local food choices are always better than shipped foods. [ans2] All seafood choices are environmentally similar. [ans3] There are large environmental costs associated with meat consumption. [ans4]

In comparing wild-caught fish versus fish raised in aquaculture (farm-raised) which is true?