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Readme [11.4K]
2 years ago
14

What are the advantages and/or disadvantages of using GE crops?

Geography
1 answer:
emmainna [20.7K]2 years ago
3 0

Answer:

Various advantages and disadvantages are given as under

Explanation:

<u>Pros</u>:

  • As Genetically modified crops are genetically disease resistant they have been proven safe through testing and use.
  • They increase the nutrient contents and reduce the worldwide hunger levels, also lower prices of food.
  • They lead to environmental benefits such as reduced pesticides use and lower carbon emissions

<u>Cons</u>:

  • They have not been proven safe for human consumption through trials.
  • Genetically modified crops can lead to the development of various food allergies in the body.
  • They are water-intensive
  • Increased use of toxic herbicides and pesticides damages soil fertility.
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9. Given similar triangles ABC and PQR with AB = 4 and PQ = 7.
PilotLPTM [1.2K]

Given:

Similar triangles ABC and PQR with AB = 4 and PQ = 7.

To find:

The scale factor, ratio of perimeters, and ratio of areas.

Solution:

In similar figures the scale factor is the ratio of side or image and corresponding side of original figure.

In similar triangles ABC and PQR, the scale factor is

k=\dfrac{PQ}{AB}

k=\dfrac{7}{4}

The scale factor of triangle ABC to triangle PQR is \dfrac{7}{4}.

The ratio of the perimeters of similar triangles is equal to the ratio of their corresponding sides.

\dfrac{\text{Perimeter of }\Delta ABC}{\text{Perimeter of }\Delta PQR}=\dfrac{AB}{PQ}

\dfrac{\text{Perimeter of }\Delta ABC}{\text{Perimeter of }\Delta PQR}=\dfrac{4}{7}

\dfrac{\text{Perimeter of }\Delta ABC}{\text{Perimeter of }\Delta PQR}=4:7

The ratio of the perimeters is 4:7.

The ratio of the areas of similar triangles is equal to the ratio of squares of their corresponding sides.

\dfrac{\text{Area of }\Delta ABC}{\text{Area of }\Delta PQR}=\dfrac{AB^2}{PQ^2}

\dfrac{\text{Area of }\Delta ABC}{\text{Area of }\Delta PQR}=\dfrac{4^2}{7^2}

\dfrac{\text{Area of }\Delta ABC}{\text{Area of }\Delta PQR}=\dfrac{16}{49}

\dfrac{\text{Area of }\Delta ABC}{\text{Area of }\Delta PQR}=16:49

Therefore, the ratio of the areas is 16:49.

7 0
2 years ago
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