This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: In 1957, Clear Lake in California was sprayed with DDT such that the water contained 0.02 ppm of ... (Read 73 times)

vHAUNG6011

  • Hero Member
  • *****
  • Posts: 514
on: Aug 27, 2018
In 1957, Clear Lake in California was sprayed with DDT such that the water contained 0.02 ppm of DDT. After a period of time, large fish in the lake were found to have DDT levels as high as 2000 ppm.
 
  Which of the following animals would be predicted to have DDT levels > 2000 ppm? A) algae
  B) hummingbirds
  C) small fish
  D) eagles

Question 2

Wool and silk are examples of which type of naturally occurring polymer?
 
  A) cellulose
  B) polyesters
  C) nucleic acids
  D) proteins


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mfedorka

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

D


vHAUNG6011

  • Member
  • Posts: 514
Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)

xthemafja

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Circulation of water through the gastrovascular cavity of Hydra. Circulation of water through the gastrovascular cavity of Hydra.
Irish Water Spaniel Irish Water Spaniel
Water Mite Water Mite
Harvey Milk was the first openly gay candidate to be elected to office in California. Harvey Milk was the first openly gay candidate to be elected to office in California.
Fat Soluble and Water Soluble Fat-soluble vitamins Fat Soluble and Water Soluble Fat-soluble vitamins
Video: Deafness Culture

For a complete list of videos, visit our video library