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fomenos
4 years ago
7

The annual world seafood catch grew from approximately 19 million tons in 1950 to approximately 90 million tons in 1997. As a co

nsequence, there has been a dramatic decline in the commercial fish populations. What could be a possible successful policy solution to the fisheries problem
Biology
1 answer:
GalinKa [24]4 years ago
8 0

Answer:

It's an alarming situation about the decline of commercial fish population and we must need to develop the policy solution to this dangerous fisheries problem.

We can develop more fish by fish hatcheries to increase the population of fish and release large number of fish into the ocean.

We should give the awareness to the general public related to decrease the recreational fishing impact.

Commercial fishing must be ban until we reaches the sustainable level of fish.

There must be place international limits to every country related to limited number of fish they can take.

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Degger [83]
It makes it acidic. I hope that helped
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3 years ago
Derived from a 6 membered ring. Contains Cytosine, Thymine, and Uracil.
dybincka [34]

Answer:

b. Nucleotides  

Explanation:

Nucleic acids are examples of structures formed from nucleotides. And in relation to the composition of DNA, we have the formation of the largest cellular macromolecule, all formed by nucleotides.

The nucleotide is a group formed by the association of 3 molecules - a nitrogen base, a phosphate group and a pentose glycide. Thus, we may have variations within these ligands, such as: in DNA we have the presence of pentose deoxyribose, while in RNA we have the presence of pentose ribose.

The nucleotides have differences in relation to its nitrogen base, which can be purine or pyrimidine. Purine bases vary in Adenine and Guanine, while pyrimidine bases are classified in Thymine, Uracil and Cytosine. Purine and pyrimidine bases are complementary and each have specific binders. Thus, we have that the purine base Adenina, binds with the pyrimidine bases Timina and Uracila, while the base Guanina binds exclusively to Cytosine and vice versa.

5 0
3 years ago
Which of the following is likely the direct source of energy to move the sailboat? A, sun B. Wind. C. Moving sails D, Moving wat
ser-zykov [4K]
The direct source of energy to move the sailboat is probably wind, since wind is what pushes the sail of the sailboat, which is what propels the sailboat forward. 

Hope this helps!
5 0
3 years ago
Compare and contrast the circulatory system of animals and plants. Show five differances .
Paha777 [63]

Animal’s and Plant's circulatory system:

1. Animals have circulatory system for the transport of nutrients and waste and plants have vascular system for the exchange of gases and nutrient.

2. Animals have specialized circulatory systems like.ARTERIES,VEINS and CAPILLARIES.

3. IN PLANTS, they have bidirectional transport system…like FOOD prepared though PHOTOSYNTHESIS is transported to different parts of plant body through phloem..while minerals and water intake by roots r transported by xylem..

4. ANIMALS circulatory system works on presence of amount of blood.

5. PLANTS circulatory system works on availability OF resources.


7 0
3 years ago
QUICK TEST ENDS IN 5 MINUTES
Tju [1.3M]

Autotrophs are organisms that can produce their own food from the substances available in their surroundings using light (photosynthesis) or chemical energy (chemosynthesis). Heterotrophs cannot synthesize their own food and rely on other organisms — both plants and animals — for nutrition.

Explanation: autotroph eg plant

hetrotroph eg animals

7 0
3 years ago
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