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 45 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
:D TYSM

Bigfoot1984

  • Member
  • Posts: 321
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Mechanisms of water movement from soil through plants to the atmosphere. Mechanisms of water movement from soil through plants to the atmosphere.
California ground squirrel (Spermophilus beecheyi) in the man-made rocky shoreline of the Berkeley M California ground squirrel (Spermophilus beecheyi) in the man-made rocky shoreline of the Berkeley M
Water chain in cytochrome f Water chain in cytochrome f
A single overhead camshaft engine with a timing belt that also rotates the water pump. A single overhead camshaft engine with a timing belt that also rotates the water pump.
Two water pipes together can fill a certain tank in 6 h Two water pipes together can fill a certain tank in 6 h
Shallow-water systems are highly productive Shallow-water systems are highly productive
Video: Helper T cell receptors, activation, proliferation, differentiation & action

For a complete list of videos, visit our video library