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xxMikexx [17]
3 years ago
8

The National Ambient Air Quality Standards (NAAQS) are maximum allowable levels for _____ harmful pollutants.

Biology
2 answers:
iragen [17]3 years ago
3 0
The answer for the question 6

babunello [35]3 years ago
3 0

Answer:

The National Ambient Air Quality Standards (NAAQS) are maximum allowable levels for 6 harmful pollutants.

Explanation:

The EPA (United States Environmental Protection Agency) sets National Ambient Air Quality Standards for pollutants considered harmful to the population and the environment. EPA includes two standards, one includes public health protection, and the other damage to animals, crops, vegetation, and buildings. The standards must be revised periodically, they are classified by averaging time, level and form.

The EPA has set National Ambient Air Quality Standards for six principal pollutants:  

Carbon Monoxide: is harmful when inhaled in large amounts. CO is released when something is burned. The greatest sources of CO to outdoor air are cars, is recommended not to be exceeded more than once per year.

Lead: sources are waste incinerators, utilities, and lead-acid battery manufacturers and piston-engine aircraft operating on leaded aviation fuel.

Nitrogen Dioxide (NO2): gets in the air from the burning of fuel

Ozone: at ground level is a harmful air pollutant, is the main compound in smog.

Particulate Matter (PM) Pollution: a mixture of solid particles and liquid droplets that can be emitted directly from a source, for example fires, construction sites or industries and automobiles.

Sulfur Dioxide: they come from fossil fuel combustion  

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Las consecuencias de la sobreexplotación de los recursos naturales
alexira [117]

Answer:

Destrucción de hábitats naturales, tanto terrestres como marinos y otros acuáticos. Destrucción de ecosistemas de todo tipo. Extinción de especies animales y vegetales. Interrupción de las redes y relaciones tróficas.

Explanation:

5 0
3 years ago
Compounds that speed up the breaking down of food so that nutrients can be absorbed are called:
lys-0071 [83]
They are called ENZYMES.
Enzymes speed up the rate at which the digestion process occur so that the nutrients in the food can be absorbed by the body and used for the development of the body.
6 0
4 years ago
¿Qué sistemas del cuerpo son los más susceptibles al coronavirus?
blondinia [14]

Answer:

The lungs are the organs most affected by coronavirus

Los pulmones son los órganos más afectados por coronavirus

Explanation:

7 0
3 years ago
(03.01 MC)
yan [13]
1. The answer is Telophase.
This is the last step of mitosis, during which the sister chromatids reach opposite poles. The small nuclear vesicles in the cell begin t reform around the group of chromosomes at each poles. Mitosis is a very important part of cell division because it is the process by which the parent cell gives its DNA to its two daughter cells.

2. The correct answer  is 4. The cell would not be able to grow any further
Body cells divide by the process of mitosis; a process in which a body cells undergoes division tow yield two diploid daughter cells, the process enhances growth and development as the cell increase in number by multiplying themselves. 

3. The correct answer Telophase II;
In prophase II, the nuclear envelop breaks down the spindle apparatus forms. The nuclear envelope forms around each set of chromosomes and cytokinesis occurs, producing four daughter cells, each with haploid set of chromosomes. 


4. The answer is 4. its body cells would have 36 chromosomes and its gametes would have 18 chromosomes. The somatic cells or the body cells are cells that have diploid (two pairs of chromosome) number, while the gametes are formed from the process of meiosis and contains haploid number of chromosomes.

5. The best answer is ; meiosis ; it increases genetic variation, which helps ensure the species will survive.  Meiosis is a type of cell division in which a cell (germ-line cells), where a cell divides to yield four daughter cells which are haploid; Meaning they have half the number of chromosomes as the parent cell. 

6. The answer is 50 percent. If the dominant allele is Y and the recessive allele; Therefore; the heterozygous will be Yy and the homozygous green color will be yy. 
Thus; A cross between heterozygous Yy and the green recessive yy will yield; 50 percent heterozygous and also half homozygous recessive. 

7. The correct answer is that One parent was heterozygous for eye color and the other was homozygous with red eyes. 
An organism can be homozygous dominant, if it carries two copies of the same dominant allele, or homozygous recessive, if it carries two copies of the same recessive allele. Heterozygous on the other hand, means that the organisms has two different alleles of a gene.

8. The correct answer is that the children will all have type AB blood. Both A and B alleles are dominant over O. as a result, individuals who have an AO genotype will have an A phenotype. The A and B alleles are codominant. When two alleles for a trait are equally expressed with neither being recessive or dominant, it creates codominance.

9. I believe the disease inheritance pattern described above by the cart shows Sex linked recessive inheritance pattern and in a cross between two heterozygous individuals there is a 50 percent chance for the second child born to be affected.
 
10. The answer for the question is 50 % percent.
I think that the infection design that is described above is a sex linked recessive legacy design and in a cross between two heterozygous individuals, there will be a half or 50 percent probability or possibility for the second child to be influenced.



8 0
3 years ago
Read 2 more answers
Gel electrophoresis separates dna fragments on the basis of differences in their ______. a:c ratio
KengaRu [80]
The answer is length.

A gel electrophoresis is used for separation of DNA or its fragments on the basis of differences in their length. An electric current is running through the gel with positive pole on the bottom. Because of the difference in the lengths of DNA fragments, some <span>of them </span>will travel more quickly than other. It is expected to see smaller DNA fragments at the bottom of the gel and larger DNA fragments near to the top of the gel.
7 0
3 years ago
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