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aliina [53]
2 years ago
10

Jenna took an open bowl of leftover mashed potatoes from the refrigerator and noticed a difference in smell. She determined that

chemical changes occurred since the potatoes were first placed there.
Which observations most likely led to Jenna’s conclusion?
Chemistry
1 answer:
Alekssandra [29.7K]2 years ago
3 0

Answer:

The change in smell

Explanation:

chemical reactions ccan lead to change in temperature, change in color and also change in smell

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Worth 40 Points❤ 10th grade chemistry ‍
brilliants [131]

Answer:

  1. F
  2. E
  3. G
  4. A
  5. C
  6. B
  7. D

Explanation:

Those are the answers in order, BUT the Goldstein and Rutherford ones are confusing me because Rutherford discovered<em> protons</em> and the <em>nuclear atom</em>. Through my research I also noticed that Goldstein contributed to the discovery of the protons made Rutherford, so I listed him as the one who discovered the proton.

I hope this helps! Have a wonderful night! :D

6 0
3 years ago
The map shows watersheds with a high potential for soil, nitrogen, and pesticide runoff. If you were in charge of handling the p
Yuri [45]

Answer:

Here are some possible answers:

Why are watersheds in the Midwest more prone to pollution in than other areas in the country?

What are the current flood and pollution control measures in place in high-risk regions?

What are the flaws with the systems used to control pollution in high-risk regions?

What can the officials and scientists in one region learn from those in another region?

What would the effects on residents be if we made changes to current flood and pollution control measures?

Explanation:

When manure or commercial fertilizers enter surface water, the nutrients they release stimulate microorganism growth. The growth and reproduction of microorganisms reduce the dissolved oxygen content of the water body. Without sufficient dissolved oxygen in surface water, fish and other aquatic species suffocate.

7 0
3 years ago
All atoms of the same element have the same:
Korvikt [17]
They have the same number of protons
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ad-work [718]
<span>After four half-lives 0.1 mole of the radioactive isotope would remain. If the amount of the isotope that remains after each half life is one half of previously existing amount. Half of 1.6 equals 0.8, half of 0.8 equals 0.4, half of 0.4 equals 0.2, and finally half of 0.2 equals 0.1 mole.</span>
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Which would be most likely be the pH of a highly-corrosive acid?
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the lower the number the higher the ph and the more acidic it is
8 0
4 years ago
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