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 15 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 :)

flexer1n1

  • Member
  • Posts: 373
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Structure of the water molecule Structure of the water molecule
Water Properties Water Properties
Irrigation Technology Can Conserve Water Irrigation Technology Can Conserve Water
Preserve Your Vitamins! Cook your vegetables in a small amount of water Preserve Your Vitamins! Cook your vegetables in a small amount of water
Venous lake Venous lake
A 400-g piece of metal at 120°C is dropped into a cup containing 450 g of water A 400-g piece of metal at 120°C is dropped into a cup containing 450 g of water
Video: Types of Shock (Part 2 of 2)

For a complete list of videos, visit our video library