DDT is highly persistent chemical which is keeps on accumulating in the food chain and eventually in environmental soil/land system.. Where it goes into crops and enters the food chain again and again.
After multiple cyclic accumulations DDT concentrations reach to level which is toxic for birds,animals and human.
Do you think DDT has the potential to cause more long-term harm to an estuary ecosystem...
2. Half-life is the time required for half of an amount of a particular compound to degrade (see table below). The half-life of DDT in the soil is from 2 to 15 years, and the half-life of DDT in an aquatic environment is 150 years. 1 half-life 50% degraded 2 half-lives 75% degraded 3 half-lives 88% degraded 4 half-lives 94% degraded 5 half-lives 97% degraded a. How many years have passed after five DDT half-lives in an aquatic environment? b....
(the long island estuary ecosystem) 5. How might you modify the Long Island estuary ecosystem to produce the following population effects? (a) decrease blowfish abundance; maintain fluke abundance (b) decrease tern abundance; maintain osprey abundance 6. What might happen to a given ecosystem if the top carnivore biomass decreased due to disease? Why 7, why is a more complex ecosystem (ie., greater number of pathways) probably more stable than a simple ecosystem? We were unable to transcribe this image
Which do you think would be more effective in shaping long-term ethical behavior in an organization: a written code of ethics combined with ethics training or strong ethical leadership? Which would have more impact on you? Why? Use scholarly sources to help make your case.
Do you think that the financing of long-term care is appropriate? Why or why not? If not, what would you do to change our Nation’s long term care outlook?
How do you think a public health campaign regarding DDT might be tailored for intervention using an evidence-based perspective, and why?
1. In the income statement, do you think potential investors in your business will be more interested in earnings (net income) or cash flow? Why do you think that? 2. Two common ratios that provide similar information to an enterprise are the Current Ratio and Quick Ratio. 1)What basic information do these ratios provide, that is, which category do these ratios fall into? 2)Suppose a camping product retailer has a liquidity ratio of 2.7. What does this say about the...
What is the purpose of a tariff? Do you think tariffs harm or hurt a country enacting them?
4. SALES FORECASTS Why do you think most long term financial planning begins with sales forecasts? Stated differently, why are future sales the key input?
a) Do you think Dr. Abbasac, in the film First, Do No Harm, acted in accordance with tenets of The Hippocratic Oath, and do you think Robbie's rights as a patient were met in accordance with The Patient's Bill of Rights? b) If Robbie's mother had had the opportunity to be advised and guided by having listened to the podcasts "Empowering Patients" and "Patient Advocate Foundation: Our Mission," and by reading the different articles in this Module on selecting, hiring,...
What types of harm or benefits could result from consuming pornography? Do you think that the ways men and women consume pornography are different? Explain. How has technology changed the way pornography is consumed?