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
german
3 years ago
7

The Clean Water Act does not ensure high water quality throughout the nation because it does not _____.

Biology
2 answers:
Lelu [443]3 years ago
6 0
Hello there

<span>The Clean Water Act does not ensure high water quality throughout the nation because it does not have a means of enforcement.

I believe the correct option is A
</span>
dem82 [27]3 years ago
4 0

The correct is A) have a means of enforcement.

<em>The Clean Water Act does not ensure high water quality throughout the nation because it does not have a means of enforcement.</em>

The Clean Water Act was passed on October 18, 1972, and was aimed to restore and maintain clear waters in the United States. Also known as the Federal Water Pollution Control Act Amendments of 1972, it tried to be the answer for public concern about the environment and water pollution. The act was again amended in 1977 to regulate untreated wastewater from industries that used to discharge on rovers, akes, and the sea. But the problem with the Act is that does not ensure high water quality throughout the nation because it does not have a means of enforcement.

You might be interested in
After a big meal, in those individuals who do not have type i diabetes, the pancreas secretes insulin, which circulates through
chubhunter [2.5K]
This is an example of negative feedback. 

After a big meal, glucose levels in the bloodstream increases. The body recognises this change and goes through homeostasis, or the regulation of bodily state or internal environment.

The pancreas secretes insulin, which then binds to insulin receptors. This will result in the uptake of excess glucose from the bloodstream into cells and converted into glycogen to be stored in cells as energy storage molecules. 

Since there is the counter effect of body (i.e. when blood-glucose concentration increases, the body sends a signal to decrease the blood-glucose concentration, this is called a negative feedback (instead of a positive feedback, which occurs if for e.g. the body signals cells to increase blood-glucose concentration even after blood-glucose concentration increased after a heavy meal).

Hope this helps! :)
7 0
3 years ago
How have scientist started to study relationships between different groups of organisms?
Delicious77 [7]
<h2>Answer:</h2>

The scientist started to study relationships among various groups of organisms <u>C. by using genetic analyses</u>.

<h2>Explanation:</h2>

The following features were used to study about the relationships between different groups of organism:

  • External morphology
  • Similarities in structure
  • Genetic analysis
  • Chemical composition

The molecular similarities in the structure of RNA, DNA, and proteins help to establish the relationship of relationships between different groups of organisms. This was studied through testing the samples obtained by organisms using genetic analyses.

7 0
2 years ago
In a flower, the female sex cells, or eggs, are produced by the __________. Pollen, which contains the male sex cells, or sperm,
aleksandrvk [35]
<span>In a flower , the female sex cells, or eggs, are produced by the ovary . Pollen, which contains the male sex cells, is produced by the male cones or micro spores.</span>
3 0
3 years ago
In genetics, the dash symbol (-) is a "wild card" that stands for either the dominant allele or the recessive allele; for exampl
m_a_m_a [10]

Answer:

12 : 3 : 1

Explanation:

According to Mendel's principles, a dihybrid cross between two heterozygous summer squash parents (WwGg X WwGg) should yield offsprings, 12 with white, 3 with yellow and  1 with green color phenotype. The classic Mendelian phenotypic ratio for dihybrid cross is 9:3:3:1. In this case, genotypes W- G- and W- gg produce white color phenotype. This is because we have 12: 3: 1 phenotypic ratio in which the alleles of two different genes assort independently into gametes.

<em>Dihybrid cross for heterozygous summer squash:</em>

                    WG         Wg            wG            wg          

    WG      WWGG   WWGg     WwGG     WwGg

    Wg       WWGg   WWgg     WwGg      Wwgg

    wG        WwGG    WwGg     wwGG      wwGg

      wg       WwGg    Wwgg     wwGg        wwgg

   Genotypes:

   W-G-  and W- gg  = white = 12

    ww G- = yellow = 3

     ww gg = green = 1

3 0
3 years ago
British authorities based their colonial commercial policies on the theory of ________.
Nataly_w [17]

Answer: British authorities based their colonial commercial policies on the theory of MERCANTILISM.

Explanation: Mercantilism is the system whereby a country amass wealth for itself at the expense of another country. The prosperity of a nation depends upon its supply of capital, and that the global volume of trade is unchangeable. This is done by increasing export significantly and reducing imports. It was used by the British to significantly amass wealth by importing commodities to Africa in exchange for gold and other precious metals.

5 0
2 years ago
Other questions:
  • A researcher samples the waters of the boiling hot springs in yellowstone national park. under the microscope, she observes what
    6·1 answer
  • On what two structures does the radial head pivot during movements such as turning a doorknob
    15·1 answer
  • What is a stage of both technological design and scientific investigation?
    12·2 answers
  • All living things need carbon. how does carbon enter the living portion of an ecosystem?
    15·1 answer
  • Describe how the relative numbers of PDS and NPDs can be used to establish linkage.
    7·1 answer
  • Blood type is determined by the<br> the blood cells.<br> DONE
    13·2 answers
  • What happened to the sun as the solar system was forming?
    10·1 answer
  • Ill give brainliest to anyone who helps me with this
    15·1 answer
  • In drosophila the anterior-posterior axis is established bya. The distribution of the RNA-binding transcription factor called bi
    11·1 answer
  • Why is family history thought to be important and a good predictor of an individual’s disease risk factor?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!