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bekas [8.4K]
4 years ago
15

How can fertilizers used on lawns and fields affect a lake?

Biology
1 answer:
iVinArrow [24]4 years ago
3 0
Fertilizers can make their way into water sources when it rains and when the fertilizer makes it into a lake, the harsh chemicals from the fertilizer will pollute the water.
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Flock X Flock Y Flock Z Total Pieces of Food Eaten (from previous page) 123 99 78 Food Percentage*  %  %  % Simulated Number of
HACTEHA [7]

Answer:

Flock X  - 41 % - 12

Flock Y - 33% -  10

Flock Z - 26% -  8

Explanation:

All you really need to do is follow the instructions.

Here is the information given:

               Total pieces of

                Food Eaten            Percentage(%)                             Number of birds      

Flock X              123             123/300 = 0.41 x 100% = 41%          0.41 x 30 = 12

Flock Y               99              99/300 = 0.33 x 100% = 33%        0.33 x 30 = 10

<u>Flock Z               78              78/300 = 0.26 x 100% = 26%        0.26 x 30 = 8   </u>

Total                 300                                                    100%                           30

In the percentage portion you need to multiply it by 100% if you want to get the percentage in percent. By multiplying it by the total number of birds, you will be able to get the number of birds in each flock.

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4 years ago
Which element is NOT found in proteins?
allochka39001 [22]

Answer:

Carbon is NOT found in proteins.

Explanation:

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3 years ago
What is the name for the process in which the ovaries release a ripened egg each mouth?
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the process is scientifically termed ovulation
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Edwin Hubble used the Doppler effect to determine that the universe is expanding. After years of scientific research and observation of different celestial bodies through a telescope, Hubble found that the light from distant galaxies was shifted towards the red end of the spectrum. This red shift indicates that stars are moving away from us and from each other. This phenomenon is called the 'expansion of the universe', also known as the big band theory.
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