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OLEGan [10]
4 years ago
13

'The use of fertillizers only increases air pollution." What is wrong with this statement.

Chemistry
1 answer:
Alex787 [66]4 years ago
3 0

Answer:

doesnt increase air pollution. fertilizers leak into the waters when it rains

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1. Agriculture most likely began
777dan777 [17]

Answer:

Option D - 10,000 years ago in the Middle East

4 0
3 years ago
5) O etanol C2H6O, combustível produzido em grande escala no Brasil, pode ser obtido pela fermentação da sacarose C12H22O11 enco
UNO [17]

Answer:

a) 0.15

Explanation:

A concentração de sacarose é 0,15 g / l no etanol. O Brasil está produzindo etanol em grandes quantidades que é usado como combustível em veículos e indústrias. Este etanol é produzido a partir da cultura da cana-de-açúcar e o Brasil é o segundo maior produtor mundial com cerca de 34,45 bilhões de litros em 2019. Os Estados Unidos da América e o Brasil produzem cerca de 84% do etanol mundial.

3 0
3 years ago
Identify three factors that can affect blood pressure
mart [117]

Explanation:

Following factors can affect blood pressure :

  • Smoking.
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5 0
4 years ago
A gas balloon has a volume of 106.0 liters when the temperature is 45.0 °C and the pressure is 740.0 mm of mercury. What will it
Zarrin [17]

Answer:

New volume V2 = 92.7 Liter (Approx)

Explanation:

Given:

V1 = 106 l

T1 = 45 + 273.15 = 318.15 K

P1 = 740 mm

T2 = 20 + 273.15 = 293.15 K

P2 = 780 mm

Find:

New volume V2

Computation:

P1V1 / T1 = P2V2 / T2

(740)(106) / (318.15) = (780)(V2) / (293.15)

New volume V2 = 92.7 Liter (Approx)

7 0
3 years ago
Protactinium has 516 years of half life how many decays will it go through to become 1/64th of the substance? ,
Ulleksa [173]

Answer:

  • 6 decays

Explanation:

Each half life period reduced the amount of substance by half

  • 64 = 2⁶
  • 1/64 = (1/2)⁶

So 6 of half life cycles or decays will go.

6 0
3 years ago
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