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shutvik [7]
3 years ago
13

Having the same number of valence electrons means having similar chemical properties.

Chemistry
1 answer:
Luba_88 [7]3 years ago
6 0

Answer:

True

Explanation:

Because atoms with the same number of valence electrons react in similar ways with other elements.

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How GM food are produced?​
Nana76 [90]

<em>What is genetic modification (GM) of crops and how is it done? GM is a technology that involves inserting DNA into the genome of an organism. To produce a GM plant, new DNA is transferred into plant cells. Usually, the cells are then grown in tissue culture where they develop into plants.</em>

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3 years ago
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Que diferencia hay entre drogas estimuladoras depresoras y perturbadoras del sistema nervioso
12345 [234]

Answer:

Las drogas estimulantes son un grupo de medicamentos que tienen un efecto estimulante mental y físico en humanos y animales, estimulando y dando energía al paciente.  Ejemplos de psicoestimulantes son cafeína, efedrina, anfetaminas y metilfenidato.  Estos se usan en pequeñas dosis para, entre otras cosas, mejorar la atención del paciente y la capacidad de planificación, permitiendo un mayor y mejor rendimiento de la persona durante sus actividades diarias.

A su vez, un depresor es una sustancia que paraliza las funciones del sistema nervioso central, siendo las pastillas para dormir y los sedantes los depresores mas comunes. La acción de los sedantes se basa en su capacidad para activar los mediadores del sistema nervioso central, especialmente el ácido gamma-aminobutírico, causando en el paciente una sensación que puede ir desde la tranquilidad y relajación hasta un estado de somnolencia o incluso la propia inducción al sueño.

Por último, las drogas perturbadoras del sistema nervioso incluyen LSD, cannabis o la cocaína. Algunos efectos típicos son cambios en la visión y el oído, alucinaciones, confusión de sentidos, fuertes experiencias de belleza, disolución del yo y un sentido de unidad, experiencias religiosas y confrontaciones con el subconsciente. Este tipo de drogas son en su gran mayoría ilegales, y no forman parte de tratamientos médicos autorizados.

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3 years ago
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7 0
4 years ago
My homework said"Solve using the standard algorithm. Check your quotient and remainder by using multiplication and addition."
Harman [31]
84 divided by 2 = 42.

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5 0
3 years ago
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Differentiate the 3 types of evolution in Science
Ivenika [448]

Answer:

Brainliest pls

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shows the three main types of evolution: divergent, convergent, and parallel evolution.

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Parallel evolution:  implies that two or more lineages have changed in similar ways

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