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stepan [7]
3 years ago
12

The flow of insecticides from farm fields in an area is an example of which type of pollution?

Chemistry
2 answers:
almond37 [142]3 years ago
6 0

point-source

Explanation:

The flow of insecticides from farm fields in an area is an example of a point-source of pollution.

Pollution is the introduction of harmful substances into the environment that makes life and living difficult.

The harmful substance is the pollutant.

  • There are different types of pollution like air, water, light, noise, land etc.
  • A point source pollution is a pollution that can be traced to a source.
  • In the analogy above, we understand that the insecticides flows form a source.
  • The source of the insecticide is the farm fields in the area.
  • Eventually the water nearby becomes contaminated with dissolved insecticides.
  • We can easily trace the source of pollution to a cause.
  • This is a point source pollution

learn more:

Point source pollution brainly.com/question/11271230

#learnwithBrainly

marysya [2.9K]3 years ago
4 0

Answer:

NON-POINT SOURCE

Explanation:

Non-point source pollution is pollution resulting from many diffuse sources, in direct contrast to point source pollution which results from a single source.

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3 years ago
What is the term for the process that occurs when an atom of an element spontaneously breaks apart to create an atom of a differ
quester [9]
Atoms of elements below atomic number 20 do not split because of stable nucleus.
Stability of nucleus is determined by neutron/proton ratio.
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Here the type of decay is alpha decay because number of nucleons(protons and neutrons) changes.
Hence option d is correct.
8 0
3 years ago
Which of the following is not apart of daltons atomic theory
KIM [24]
3. Atoms change into other atoms in chemical reactions.

The idea that you can transform one element into another was called alchemy, and was proven untrue a long time ago. 
3 0
3 years ago
Read 2 more answers
Describe any new ways you can change the polarity of the three-atom molecule.
yan [13]

-  By changing three atom bond angle , we can change molecular polarity. if bond angle is 120° and all atom has same electronegativity, the resultant polarity ( dipole moment ) become zero. we can change bond anngle either less than or greater than 120°, but not exactly 120

-  Replacing one or more atom with different atoms having electro negativity values also make molecular poles.

-  By placing molecules under external electric field or magnetic field also causes to the molecule.

5 0
3 years ago
Suppose you start with a solution of red dye #40 that is 2.3 ✕ 10−5 M. If you do three successive volumetric dilutions pipetting
larisa [96]

Answer: Therefore, the concentration of final solution is 4.0\times 10^{-8}M

Explanation:

According to the neutralization law,

M_1V_1=M_2V_2

where,

M_1 = molarity of stock solution = 2.3\times 10^{-5}M

V_1 = volume of stock solution = 3.00 ml

M_2 = molarity of diluted solution = ?

V_2 = volume of diluted solution = 25.00 ml

2.3\times 10^{-5}M\times 3.00=M_2\times 25.00

M_2=0.28\times 10^{-5}M

Therefore, the concentration of diluted solution is 0.28\times 10^{-5}M

2) On further dilution

M_1V_1=M_2V_2

where,

M_1 = molarity of stock solution = 0.28\times 10^{-5}M

V_1 = volume of stock solution = 3.00 ml

M_2 = molarity of diluted solution = ?

V_2 = volume of diluted solution = 25.00 ml

0.28\times 10^{-5}M\times 3.00=M_2\times 25.00

M_2=0.034\times 10^{-5}M

Therefore, the concentration of diluted solution is 0.034\times 10^{-5}M

3) On further dilution

M_1V_1=M_2V_2

where,

M_1 = molarity of stock solution = 0.034\times 10^{-5}M

V_1 = volume of stock solution = 3.00 ml

M_2 = molarity of diluted solution = ?

V_2 = volume of diluted solution = 25.00 ml

0.034\times 10^{-5}M\times 3.00=M_2\times 25.00

M_2=4.0\times 10^{-8}M

Therefore, the concentration of final solution is 4.0\times 10^{-8}M

5 0
3 years ago
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