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Marina CMI [18]
3 years ago
10

Why do the planets keep orbiting the sun

Chemistry
1 answer:
dsp733 years ago
3 0
There's no reason, it's just because the sun has a gravitational pull
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Vedmedyk [2.9K]

Climate is one of the factors that determines where different species of plants and animals can live, so paleontologists look for clues to a location's ancient climate in the types of fossil plants and animals they find there. For example, no modern crocodile species lives in a climate with long periods of freezing temperatures, so scientists hypothesize that ancient crocodiles had the same requirement for year round warmth. That leads them to consider the 110-million-year-old crocodile fossils from the Washington, D.C. to be part of a large body of circumstantial evidence that temperatures there were warm year round during the Early Cretaceous. Similarly, coal beds and fossil trees in the Arctic Slope of Alaska are among the many clues that Alaskan temperatures were very warm during the Late Cretaceous.



8 0
3 years ago
Which of the following examples illustrates a number that is correctly rounded to three significant figures? Which of the follow
Alex

Answer:

20.0332 grams to 20.0 grams

Explanation:

6 0
3 years ago
Two moles of gas A spontaneously convert to 3 moles of gas b in a container where the temperature and pressure are held constant
erica [24]

At constant temperature and pressure, If the amount of gas increases to the given value, its volume also increases to 20.85L.

<h3>What is Avogadro's law?</h3>

Avogadro's law states that "equal volumes of all gases, at the same temperature and pressure, have the same number of molecules."

It is expressed as;

V₁/n₁ = V₂/n₂

Given the data in the question;

  • Initial amount of gas n₁ = 2moles
  • Initial volume v₁ = 13.9L
  • Final amount of gas n₁ = 3moles
  • Final volume v₂ = ?

V₁/n₁ = V₂/n₂

V₁n₂ = V₂n₁

V₂ = V₁n₂ / n₁

V₂ = (13.9L × 3moles) / 2moles

V₂ = 41.7molL / 2mol

V₂ = 20.85L

At constant temperature and pressure, If the amount of gas increases to the given value, its volume also increases to 20.85L.

Learn more about Avogadro's law here: brainly.com/question/15613065

#SPJ1

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2 years ago
K20<br> What is the chemical name
kicyunya [14]

Answer:

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Which best describes how water's movement affects landforms? Select one 0 Mechanical weathering by water causes rock to break do
Diano4ka-milaya [45]

Answer:

......................................................................................................

I..............

dont..............

know.............

sorry..........

>-<

Explanation:

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