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ddd [48]
3 years ago
8

What is one problem chemical fertilizers cause for farmers

Biology
2 answers:
Alik [6]3 years ago
6 0

Explanation:

  • Excessive use of chemical fertilizer reduces the productivity of farming land.
Fiesta28 [93]3 years ago
4 0
  • Using chemical fertilizers in excess amount harms the soil and reduces its productivity.
  • The fertilizers are flown in rain water and mixed with river which becomes harmful for aqueous animals
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How and why has the air quality changed in the United States over the last 30 years?
Mars2501 [29]

Answer:

It has gotten worse.

Explanation:

In the past 30 years, air quality in the United States has declined almost exponentially. Pollution is the main reason for the declination of air quality in the United States, but there are different kinds of pollution, including light pollution, noise pollution, air pollution, water pollution, etc. Air pollution can be caused by primary or secondary pollutants. Primary pollutants include carbon, nitrogen, and sulfur oxides as well as just general particles in the air. Secondary pollutants are formed when pollutants are exposed to sunlight via chemical reactions.

6 0
3 years ago
Sudoriferous glands are under the control of the _____ nervous system and are located in the dermis
kumpel [21]

Sudoriferous Glands are under the control of the sympathetic nervous system and are located in the dermis.

Sudoriferous Glands are also called as sweat glands which are of two types Eccrine or Apocrine. These two reside within the dermis and consists of secretory cells and central lumen into which material is secreted.

The Sympathetic Nervous system is one of the three division of the Automatic Nervous System arises near the middle of the spinal cord in the intermediate nucleus .

Sudoriferous Gland are small tubular structures that is helpful in producing sweat. These are exocrine gland and produces sweat on epithelial surface through duct.

Eccrine are present everywhere except ear canal, prepuce, labia minora and smaller than apocrine and excrete directly onto the surface of the skin and its proportion decreases with the age.

Apocrine are found in the armpit, areola in the ear and the eyelids. the secretory portion is larger than the eccrine glands and secrete swear into the pilary canal of the hair follicle.

To learn more about Sudoriferous Glands here

brainly.com/question/11959764

#SPJ4

7 0
2 years ago
During transcription the DNA base sequence is transcribed into a complementary mRNA sequence. A codon table like the one shown b
DIA [1.3K]

Answer: Option B) No, even though the DNA sequence changed, the sequence still codes for the same amino acid, so no change in phenotype will occur.

Explanation:

Since the triplet codon ACG codes for the amino acid threonine, so also ACA codes for threonine, the single base change of Guanine (in ACG) to Adenine (ACA) is insignificant due to the degeneracy of the genetic code.

Thus, the sequence still codes for the same amino acid, so no change in phenotype will occur

4 0
3 years ago
Which of the following is a likely effect of the tornado on the plains ecosystem?
inn [45]

Answer:

Flying debris could harm a population of bison

5 0
3 years ago
What does this mean? Include a valid conclusion that relates to the initial problem or hypothesis.
LUCKY_DIMON [66]
Hey there,
It means that y<span>our conclusion must be related to the given hypothesis. It must either prove or disprove it. 

Hope this helps :))

~Top
</span>
8 0
3 years ago
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