What are some of the advantages and disadvantages of commercial pesticides and more sustainable pesticides? Which do you think is the best choice for the future?
What will be an ideal response?
Possible answers include:-Sustainable pest control advantages: long term increased food production, long term profits for farmers, independence for local farmers, better quality product, supports natural enemies, does not harm the environment (water and soil), supports soil nutrients.-Sustainable pest control economic disadvantages: labor intensive, can be expensive.-Commercial pest control economic advantages: short term increased food production, short term profits, faster production, new technologies increase safety and effectiveness, saves lives.-Commercial pest control economic disadvantages: are increasingly more expensive and less effective in the long term, promotes genetic pest resistance, kills natural enemies thus increasing pest outbreaks, kills unintended species, pollutes and builds up in the environment, depletes soil quality, harms wildlife, harms people, overexposure is linked to cases of death.Students can justify either choice using the reasons listed above.
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Which of the following conditions is generally observable as the eye of a hurricane passes directly overhead?
A. a decrease in surface temperature B. light winds C. a high surface pressure reading D. heavy precipitation
The Coriolis Effect ONLY deflects objects to the right
Indicate whether the statement is true or false
This figure shows the geologic timescale. Which period listed below would be part of the Paleozoic?
A. Cambrian B. Paleogene C. Neogene D. Triassic E. Jurassic
The greatest gains in employment have occurred in
A) retail services. B) construction. C) professional services. D) finance. E) leisure and hospitality.