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GaryK [48]
4 years ago
10

Rusting is a chemical reaction between iron and oxygen. Over time, the mass of a rusting nail

Biology
1 answer:
marshall27 [118]4 years ago
4 0

Answer: Yes this chemical reaction obeys the laws of physics. Its very simple, let me explain.

Explanation:

When Iron(Fe) oxidizes it gains three oxygen atoms so it reacts to form Fe2O3 so it becomes bigger or explands. Its also sometimes called "oxide jacking".

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What's the difference between descriptive experiment and comparisons?
Sholpan [36]

Answer:

Descriptive research is a type of research that studies the participants that take part in the research or a certain situation. Descriptive research does not limit to either of quantitative or qualitative research methodologies, but instead, it uses elements of both, often within the same study. Therefore, a descriptive researcher often uses three major ways to collect and analyse the data. They are observations, case studies and surveys.

now i dont know much about comparisons but im assuming your comparing your own experiment to someone elses to see if you get the same result.

8 0
4 years ago
Read 2 more answers
12 Which direction does blood flow in arteries?​
zvonat [6]

Answer:

Like all fluids, blood flows from a high pressure area to a region with lower pressure.

Good luck!

8 0
3 years ago
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A summer squash plant that produces disc‑shaped fruit is crossed with a summer squash plant that produces long fruit. All of the
ivanzaharov [21]

Explanation:

In the given question,

suppose allele A and a determines the color of the fruit whereas allele B and b determines the shape of the fruit.

The genotype for white, disc shape fruits is- AABB

the genotype for yellow, long fruits is- aabb

F1 progeny will be- AABB x aabb

                                 AaBb

F2 cross-    AaBb    x    AaBb

                      AB          Ab          aB           ab

      AB        <em>AABB       AABb    AaBB       AaBb</em>

      Ab       <em>AABb       AAbb     AaBb       Aabb</em>

      aB      <em>  AaBB      AaBb      aaBB       aaBb</em>

      ab        <em>AaBb       Aabb      aaBb      aabb</em>

          The genotype of F2 cross are-

1.  9/16 A- B- disc-shaped (like F1)

2. 3/16 A- bb spherical

3. 3/16 aa B- spherical

4. 1/16 aa bb long.

       

7 0
3 years ago
Which of the following options best depicts the flow of information when a gene directs the synthesis
valentina_108 [34]

The flow of <u>DNA → mRNA → protein </u>depicts the flow of information when a gene directs the synthesis of a cellular component.

Explanation:

Genetic information needs to flow in a specific pattern in order a gene to transform into a component like protein. This transformation takes place through the processes of transcription inside the nucleus and translation in the ribosomes. So the pathway: DNA → mRNA → protein will be correct flow of information for protein synthesis from DNA code. The mRNA or the messenger RNA encodes the genetic information or the chemical blueprint of the particular protein to be synthesized. This flow represents the central dogma of genetic information pathway or flow, which is; DNA encodes the RNA and the RNA encodes the Protein

6 0
3 years ago
The main reason that it's important to test only variable at a time is so that
Vinil7 [7]
The main reason is so that you do not make any mistakes. You could be focused more on one variable than the other and then get confused or the variables could need different things done to them.
4 0
4 years ago
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