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siniylev [52]
3 years ago
11

What is the source of the extra chromosome 21 in an individual with down syndrome?

Health
2 answers:
Juli2301 [7.4K]3 years ago
5 0

Answer:

no

Explanation:

PtichkaEL [24]3 years ago
4 0

Answer: abnormal cell division

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3.
mash [69]

Answer:

A

Explanation:

because all of the other answer are an affect of tobacco use so A is correct

4 0
3 years ago
Read 2 more answers
En que punto tendra mayor energua potencial y en que pu to tendra mayor enerdia cinetica​
netineya [11]
A
.
La energía cinética se define como:
⇒
mi
k
=
1
2 metro v2
Dado que la masa del péndulo no cambiará, la única forma de que cambie la energía cinética es que cambie la velocidad del péndulo. La energía cinética es máxima cuando la velocidad es máxima. Esto ocurre en la parte inferior del péndulo.
B
.
Si la energía cinética es más alta en la parte inferior del péndulo, entonces es donde la energía potencial es la más baja. Entonces, la energía potencial sería más alta cuando el péndulo esté en su punto más alto a cada lado de su movimiento donde está estacionario por un instante. Este es el punto donde toda la energía cinética se ha convertido en energía potencial (
mi
k
=
0
desde
v
=
0
).

(Brainly no dejaba de espaciar mis respuestas, así que lo siento si esto es difícil de entender ... si es correcto, ¿podrías marcarme como el más inteligente?)
4 0
3 years ago
what are some ways to increase the likelihood that children and adolescents participate in regular physical exercise
Troyanec [42]
Make it sound fun. 
Help them come up with ideas to do
set goals
add a prize at the end to make them strive for.
8 0
4 years ago
Which scenario would most likely lead to a higher level of physical fitness among people who live in a cit
agasfer [191]

Answer:

The answer is B

Explanation:

6 0
3 years ago
Read 2 more answers
What function do capillaries serve in the cardiovascular system?
Bond [772]
Answer – B. (Return blood to the lungs)
  The function that capillaries serve in the cardiovascular system is to return blood to the lungs. The capillaries beds are the area where the excess carbondioxide produced by the cells are exchanged with oxygen. The deoxygenated blood is then transported by the capillaries through the circulatory system back to the lungs for reoxygenation <span>
</span>
5 0
3 years ago
Read 2 more answers
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