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xxTIMURxx [149]
3 years ago
7

A student would like to determine how heating a liquid changes its volume. The student hypothesizes that the liquid will increas

e in volume. The following list shows the steps taken by the student in order to test the hypothesis.
Select the liquid to test.
Place the liquid in a sealed container.
Use a Bunsen burner to heat the liquid by 10°C.
Measure the volume of the liquid.
Record the results.
What is wrong with how the student conducted the investigation?
A.
The length of time it took for the liquid to be heated should be measured.
B.
The hypothesis was not valid because it is impossible for liquids to change in volume.
C.
The volume of the liquid should be measured before it is heated.
D.
The student should have increased the temperature of the liquid by more than 10ºC.
Biology
2 answers:
Elena-2011 [213]3 years ago
4 0

Answer:

C

Explanation:

You must know the volume before and after to compare results.

Ahat [919]3 years ago
4 0

Answer: D. The volume of the liquid should be measured before it is heated.

Explanation:

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Your study group is in the midst of a discussion on fungi. One of your classmates emphatically states that animals and fungi do
mina [271]

Answer:

The argument can be contradicted by assuming that both animals and fungi exhibit heterotrophy and have intracellular spindles.

Explanation:

If an argument is required to demonstrate that fungi have common characteristics, it can be taken into account that:

  1. <em>They are</em><em> heterotrophic organisms</em><em>, since they are not able to synthesize their own nutrients, such as plants. </em>
  2. <em>Both </em><em>have intracellular spindles</em><em> in their structure, useful when performing the corresponding cell division. </em>
  3. <em>Additionally, both animals and fungi can </em><em>store glycogen</em><em> as a reserve of energetic substrate.</em>

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3 years ago
Which diagram correctly displays the order of events during egg formation?
Lynna [10]

Answer:

primary oocyte ® meiosis I ® secondary oocyte ® meiosis II ® ovum

Explanation:

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7 0
3 years ago
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Why would the oldest crust be in the centre of a plate of a continental crust furthest away from a plate boundary?
Verdich [7]
Because it was old and irlt would be more stronger?????
5 0
3 years ago
The domestic cat genome contains 2.9×109 base pairs. The length of linker DNA in mammals is 50 base pairs. Approximately how man
IgorLugansk [536]

Answer:

Number of nucleosomes in 2.9 * 10^9bp is equal to 1.47 * 10^7

Explanation:

For wounding one nucleosome, total length of DNA required is equal to 146 bp

The length of  linker DNA in mammals is equal to 50 bp

Thus , the total length of DNA that confides between two nucleosome is equal to the sum of wounding length of DNA and the linker length

= 146 + 50\\= 196bp

Thus, in 196bp length of DNA, the total number of nucleosomes is equal to 1

Thus, number of nucleosomes in 2.9 * 10^9bp is equal to

\frac{2.9* 10^9}{196} \\1.47 * 10^7

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The map shows the distribution of three species of organisms observed during a population survey. Identify the pattern of distri
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