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Leno4ka [110]
3 years ago
11

Which atmosphere has the solid water on earths surface

Biology
2 answers:
Gennadij [26K]3 years ago
8 0
I believe it is the troposphere. this is the first atmosphere, and it is the one that we are all in right now. it is the closest one surrounding earth. so this might be the one, if it is asking about all of the water, such as the oceans, and lakes, then it is the troposphere.
zmey [24]3 years ago
5 0
Well, the <span>cryosphere contains 79% of Earth's frozen freshwater.  Like glaciers, iceburgs, so that would be solid water.  However the hydrosphere contains 100% of the  water on Earth, salt and fresh.</span>
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When Earth receives energy from the Sun, ____.
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The answer is: D. all of the above.

When Earth receives energy from the Sun, some energy is reflected back into space, some is absorbed by the atmosphere, and some is absorbed by land and water on Earth's surface.
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The least specific level of classification is:<br> A.Phylum<br> B.Domain<br> C.Order<br> D.Genus
galben [10]

Answer:

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Explanation:

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2 years ago
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When pink sweet peas were self-pollinated and the seeds were collected and sown, the following flower colors were obtained: Red
Pavlova-9 [17]

Answer:

c. 1:2:1

The results are consistent with incomplete dominance for this trait, with pink flowers being heterozygous.

Explanation:

If flower color were determined by a gene showing incomplete dominance, the possible genotypes and phenotypes are as follows:

  • RR- red
  • ww - white
  • Rw - pink

If pink sweet peas are self-pollinated, then a cross between two heterozygous individuals is done (Rw x Rw).

<u>From this cross the expected ratios are:</u>

  • 1/4 RR (red)
  • 2/4 Rw (pink)
  • 1/4 ww (white)

So the null hypothesis is that the observed results exhibit a 1:2:1 ratio.

<h3><u>Chi square test</u></h3>

X^{2} = \sum \frac{(Observed - Expected)^2}{Expected}

<u>The observed frequencies were:</u>

  • 34 Red
  • 76 Pink
  • 40 White

Total 150

<u>The expected frequencies for our null hypothesis are:</u>

  • 1/4 x 150 = 37.5 Red
  • 2/4 x 150 = 75 Pink
  • 1/4 x 150 = 37.5 white

X^{2} = \frac{(34- 37.5)^2}{37.5} + \frac{(76- 75)^2}{75} + \frac{(40- 37.5)^2}{37.5}

X^2=0.5067

The degrees of freedom (DF) are calculated as number of phenotypes - 1; in this case DF = 3-1 = 2.

If we look at the Chi square table, for 2 DF and a probability of p0.05, the critical value is 5.991

Our X^2 value of 0.5067 is less than the critical value, so we do not reject the null hypothesis. The results are consistent with incomplete dominance for this trait, with pink flowers being heterozygous.

8 0
3 years ago
Please help no links or i will report
gtnhenbr [62]

Answer and Explanation:

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<u>The answer is the third option: A food chain represents one possible pathway that energy and matter can take in an ecosystem. A food web contains multiple, interconnected food chains and describes how energy and matter moves through an entire ecosystem.</u>

<u></u>

<u></u>

<em><u>#teamtrees #PAW (Plant And Water)</u></em>

4 0
2 years ago
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