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

Author Question: DDT was widely used and remains in use today in some countries to fight malaria by A) killing the ... (Read 69 times)

ss2343

  • Hero Member
  • *****
  • Posts: 548
DDT was widely used and remains in use today in some countries to fight malaria by
 
  A) killing the parasite that causes malaria.
  B) fouling the water used by mosquitoes for reproduction.
  C) killing the virus that causes malaria.
  D) killing mosquitoes that are the major malarial vector.

Question 2

Which one of the following actions by scientists is least applicable to the field of environmental science?
 
  A) Scientists determine the best fuel to generate electricity for a growing city in Arizona.
  B) Scientists help a rancher determine the best ways to rotate herds of cattle to reduce erosion.
  C) Scientists study X-ray emissions for evidence of black holes.
  D) Scientists at NASA launch satellites to monitor changes in carbon dioxide production on Earth.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

emsimon14

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

D

Answer to Question 2

C




ss2343

  • Member
  • Posts: 548
Reply 2 on: Jul 16, 2018
YES! Correct, THANKS for helping me on my review


cici

  • Member
  • Posts: 325
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

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

For a complete list of videos, visit our video library