This topic contains a solution. Click here to go to the answer

Author Question: In 1957, Clear Lake in California was sprayed with DDT such that the water contained 0.02 ppm of ... (Read 16 times)

vHAUNG6011

  • Hero Member
  • *****
  • Posts: 514
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
Answer to Question 1

D

Answer to Question 2

D




vHAUNG6011

  • Member
  • Posts: 514
Reply 2 on: Aug 27, 2018
Wow, this really help


pangili4

  • Member
  • Posts: 346
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

For a complete list of videos, visit our video library