1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
erastovalidia [21]
3 years ago
15

Why did most mosquitoes perish when DDT was sprayed the first time?

Biology
1 answer:
WINSTONCH [101]3 years ago
7 0

Answer:

Due to no resistance.

Explanation:

Most mosquitoes perish when DDT chemical was sprayed the first time because these mosquitoes are vulnerable to the DDT chemical and there is no resistance present in their body against this chemical. DDT chemical is an insecticide which is used against insects or pests that causes damage to human, organisms and crops. DDT was first synthesized in 1874 by the Austrian chemist named Othmar Zeidler.

You might be interested in
Explain the two main functions of the cell membrane in the cell
lara31 [8.8K]

Answer:

It is both a barrier keeping unwanted things out, and a gate for nutrients to be brought in.

8 0
3 years ago
Read 2 more answers
Which type of fossil is formed by sediments and found in sedimentary rock?
tresset_1 [31]
Answer: Carbon film of a leaf
7 0
3 years ago
Read 2 more answers
What is the name of the true god?
olga55 [171]
If you put one name on god you are putting limits on him

God has many , many names since He is unlimited

Different religions have different names that they call god

So there is not really a " true " name for god
8 0
3 years ago
How would this hypothesis different from the scientific law
densk [106]
What hypothesis ????????
4 0
3 years ago
How does osteoporosis affect the signal transduction pathway?
sdas [7]
The signal transduction pathways<span> recruited by the receptors of these hormones and growth factors </span>are<span> of particular interest.

Im not too sure about this might wanna check it.</span>
6 0
3 years ago
Other questions:
  • Which of the following correctly compares cloning and gene therapy?
    13·1 answer
  • What is the main advantage to the use of submersibles?
    8·1 answer
  • How do animals store energy
    12·2 answers
  • How carbon 14 dating is done?
    5·1 answer
  • How do individuals contract African sleeping sickness?
    11·1 answer
  • Does anyone know how to do this?
    12·1 answer
  • During protein synthesis, what does mRNA do?
    8·2 answers
  • 2. What new realizations do you have about solving problems involving sequence? How would you connect this to real life? How wou
    10·1 answer
  • During carbohydrate catabolism, more atp molecules are produced during
    7·1 answer
  • Ozone depletion:
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!