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Oxana [17]
3 years ago
5

What happens when the density of a medium increases? A. Bending of light increases B. Bending of light decreases C. Temperature

of light increases D. Temperature of light decreases
Biology
1 answer:
Sholpan [36]3 years ago
7 0
<span>B. Bending of light decreases
</span>According to the law of reflection, it stated that when light strikes the boundary between different media, a portion of the light is reflected while another portion enters the medium. Thus, the process in which the ray of light crosses the boundary and enters the second medium is known as refraction. However, the velocity of light decreases when light enters a denser medium.
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What are the mechanisms by which aneuploidy and polyploidy are caused? What are the mechanisms by which aneuploidy and polyploid
sleet_krkn [62]

The correct answer is:

The principal cause of aneuploidy is chromosome nondisjunction during mitosis or meiosis. Polyploidy in nature can result either from the duplication of euploid chromosome sets from a single species or from the combining of chromosome sets from different species.  

Aneuploidy is a phenomenon when there is the presence of an abnormal number of chromosomes in a cell (an extra or missing chromosome). Usually it appears as a result of improper cell division (chromosomes don’t separate) and it can cause many genetic disorders.

Polyploidy refers to a state when there are more than two sets of chromosomes (one from mother one from father). Triploid (three sets of chromosomes) and tetraploid (four sets of chromosomes) chromosomes are examples of polyploidy. This phenomenon is most common in plants.

5 0
3 years ago
El proceso mediante el cual hay produción de ácido láctico y etanol recibe el nombre de:
sattari [20]

Answer:vaca

Explanation:

6 0
3 years ago
Altruistic behavior a. is that which benefits others while causing a disadvantage to the individual. b. is not a beneficial evol
Maksim231197 [3]

The correct answer is A. Is that which benefits others while causing a disadvantage to the individual.

Explanation:

In biology, altruistic behavior occurs as one organism actions benefit other organisms either because these actions increase the reproductive fitness or the chances an organism survives and prevails over time. Additionally, altruistic behavior implies there is a disadvantage for the organisms acting in the benefit of others. For example, wolves or similar animals take food to those that did not participate in hunting, which means they help other wolves to survive on their own cost as this means less food for those that hunted. According to this, altruistic behavior "is that which benefits others while causing a disadvantage to the individual".

3 0
3 years ago
Scientists used a system of classification to help understand the relationships between organisms.
malfutka [58]

Answer: True

Explanation: I took the test :)

4 0
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Which one correctly expresses a latitude and longitude point?
Andrew [12]
The one that correctly expresses a latitude and longitude point is : D. 8°N 50°E

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Hope this helps
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3 years ago
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