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3 years ago

Why is the use of pesticides on soils and

2 answers:

6 0

The answer is: D.

Pesticides secrete into soils and groundwater which can end up in drinking water, and pesticide spray can drift and pollute the air.

torisob [31]3 years ago

4 0

Answer:

Once it rains the pesticide goes down the runoff and pollute the water

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Why are outer electrons of some substances able to be removed by friction?

svlad2 [7]

<span>The outer electrons are not as tightly bound as ones closer to the nucleus</span>

8 0

3 years ago

Read 2 more answers

Of the colors on the visible light spectrum, which one has the longest wavelength, lowest frequency, and lowest energy?

Elenna [48]

Answer:

Red

Explanation:

Violet - shortest wavelength, around 400-420 nanometers with highest frequency. They carry the most energy.

Indigo - 420 - 440 nm

Blue - 440 - 490 nm

Green - 490 - 570 nm

Yellow - 570 - 585 nm

Orange - 585 - 620 nm

Red - longest wavelength, at around 620 - 780 nanometers with lowest frequency and least amount of energy

Therefore, <em>red </em>is the answer you're looking for.

I hope this helps and that you have a great day! :)

5 0

3 years ago

Urgent help! will mark as brainliest

kramer

Answer:

1. Negative

2. positive alpha

3. Gold

4. deflected

5. center

6. positive

7. positive

8. center

Hope this helps :)

7 0

3 years ago

How many particles are in 13.5 grams of Beryllium ?

Marina86 [1]

Explanation:

I don't know this answer what Hydrogen Helium lithium

4 0

3 years ago

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PLEASE HELP! Class is almost ending, I don't want to repeat.

nikklg [1K]

ANSWERS:

1. $2KClO_{3}$ ⇒ 2KCl + $3O_{2}$

2. $H_{2} C_{2} O_{4} + 2NaOH$ ⇒ $Na_{2} C_{2} O_{4} + 2 H_{2} O$

3. $2 C_{10} H_{22} + 31O_{2}$ ⇒ $20C O_{2} + 22 H_{2} O$

4. $4 H_{2} + Fe_{3} O_{4}$ ⇒ $3Fe +4 H_{2} O$

5. $4P + 5 O_{2}$ ⇒ $2 P_{2} O_{5}$

I have attached my work for 1-3. I would like to see if you can get 4 and 5 on your own. but, if you are struggling/copnfused please let me know in the comments! :)

6 0

4 years ago