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Alchen [17]
3 years ago
13

PLEASE HELP 15 PTS AND I WILL GIVE BRAINLIEST

Biology
2 answers:
N76 [4]3 years ago
3 0

Answer:

D

Explanation:

im s w a g

fenix001 [56]3 years ago
3 0
A.

Explanation

Recessive alleles only show their effect if the individual has two copies of the allele
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besides being a reproduction organ, the urethra also plays a role as an excretory organ in the male's body. plsss explain thiss
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It means it is also used for peeing 
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A chemical compound, regardless of its source (either natural or synthetic), that is capable of killing or inhibiting microorgan
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It is referred to as an antimicrobial

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) a vaccine that fits the first general rule on immunization "the more similar a vaccine is to the natural disease, the better t
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The correct answer in the given statement above in a way of completing it is the MMR. The MMR vaccine is a vaccine used for immunization in means of fighting certain diseases such as rubella, mumps and even measles in which is being administered by injection.

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3 years ago
Which of the following is an example of a physical change?
777dan777 [17]

A gas is given off when two substances are mixed.

<u>physical change: A copper rod is hammered into a thin sheet. </u>

A solid forms when two clear liquids are mixed.

A matchstick changes color when it burns.

explanation

a physicals change vs chemical

physical change is like cutting, changing shape etc, it the molecules that make it and the chemicals of it stay same

chemical change when it chemically changed such as cooking meat

5 0
3 years ago
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El hielo flota sobre el agua. Le ocurre igual a un metal sólido sobre su correspondiente fundido?
Iteru [2.4K]

Un metal sólido no flota sobre su correspondiente fundido poque es mas denso que el mismo.

Que una sustancia flote en otra depende de sus densidades. La densidad es el cociente entre la masa y el volumen de un objeto. Los objetos menos denso flotan en los mas densos.

En general, los sólidos son mas densos que los líquidos, y estos que los gases. Esto se debe a las fuerzas de atracción que hacen que la misma masa ocupe menos volumen en el caso de los sólidos. Este es el caso de los metales sólidos que no flotan en su correspondiente fundido.

El hielo flotando sobre el agua es una excepción a esta regla general. El puente de hidrógeno en el agua hace que este tenga mas volumen que el liquido y por lo tanto sea menos denso.

Un metal sólido no flota sobre su correspondiente fundido poque es mas denso que el mismo.

Aprende mas: brainly.com/question/3944963

5 0
2 years ago
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