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tiny-mole [99]
3 years ago
7

Which statement best describes the energy changes associated with evaporation and boiling

Biology
2 answers:
My name is Ann [436]3 years ago
6 0

Answer:

A.)

Explanation:

KIM [24]3 years ago
5 0

Atoms gain energy during evaporation and boiling

When a liquid begins to boil, it means its molecules and atoms are gaining increased kinetic energy and the molecules are getting further apart and the liquid is beginning to turn to gas.

Explanation:

Gas begins to form in the liquid and lift to the surface as bubbles and escaping into the atmosphere.  The vapor pressure of the liquid also overcomes the atmospheric pressure in this stage allowing the change of phase. This can only occur as long as the molecules and atoms of the liquid continue to gain energy. This is the reason that even though you keep heating the liquid, it remains at its boiling point temperature as it changes phase.  This energy is referred to as the latent heat of vaporization.

Learn More:

For more on latent energy of vaporization check out;

brainly.com/question/12602668

brainly.com/question/12775811

#LearnWithBrainly

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Scientists have genetically engineered potato plants to produce potatoes that contain edible vaccines. Which is a disadvantage o
Valentin [98]

Answer:

They are more expensive than potatoes without the vaccine.

The genetically modified crops are produced by using the scientific procedures of genetic engineering. It involves the manipulation of the genome of these crops so as to make them disease resistant, improving the quality of the edible parts and increasing the yield of the plants. The crops are genetically modified with accuracy, precision and implementation of the technology therefore, the crops produced are expensive then the crops produce by the conventional method.

Hence, they are more expensive than potatoes without the vaccine is a disadvantage of the genetically engineered potato plants to produce potatoes that contain edible vaccines.

Explanation:

8 0
2 years ago
List several characteristics of class Chondrichthyes that separate it from class Agnatha and class Osteichthyes.
Rasek [7]
The Chondrichthyes are the cartilaginous fishes including the sharks, rays,<span>skates and chimeras. The Osteichthyes are the bony fish. Both of these groups </span>became established during the Devonian Period about 400 million years ago. The Chondrichthyes <span>differ from the Osteichthyes in many respects, including their</span><span>

</span>

5 0
2 years ago
PLEASEEEE HELPPP 20 POINTSSSThe main goal of biotechnology is to use living organisms and biological processes to improve life o
Alex_Xolod [135]

Answer:

the engineering of rice crops to withstand flooding and contain more nutrients

Explanation:

hope this helps

7 0
3 years ago
What is the meaty tissue that surrounds bones? (I cannot remember the answer, and I cannot find the answer online, so help pleas
ZanzabumX [31]

Answer:

Periosteum.

Explanation:

Periosteum is an extremely thin region of non-calcified tissue on the exterior of bones. It covers the entire surface of every bone in the body, with the exception of the joint-forming ends of bones where cartilage forms the bone’s outer layer.

7 0
3 years ago
Read 2 more answers
Which step in the PCR process will be affected?
Temka [501]

The denaturation step in the polymerase chain reaction will be affected. As a result the DNA strands will not unwind and the DNA will not become single stranded.

<u>Explanation:</u><u> </u>

Polymerase chain reaction is used to synthesize multiple copies of DNA. The technique in molecular biology uses thermal cycling which involves steps of heating and cooling. There are three important steps in PCR.

Nucleic acid denaturation is the first step. In this step the DNA is heated to about 90°c and this causes the denaturation of the DNA. Two strands of DNA get separated. The second step is annealing in which the strands are cooled to 55°c.

During annealing the primers stick to the complementary sites on the DNA to facilitate its replication. The third step is extension in which the temperature of the mixture is raised to 72°c. The tag polymerase will start working on the DNA strands and replicate them.

If the denaturation step is not performed the speration of double stranded DNA into single strands won’t take place.

4 0
3 years ago
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