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aniked [119]
3 years ago
15

how can scientists test their ideas about the orgin of the unverse if they cant physically interact with or study it

Biology
1 answer:
Galina-37 [17]3 years ago
3 0

The cosmological principle makes assumptions that provide scientific guidelines to enable its study.

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Name the processes by which carbon dioxide and water move into and out of the cell.
Lera25 [3.4K]

Answer:

Diffusion

Explanation:

Substances like CO2 and water move into and out of a cell by diffusion from an area of high concentration to an area of low concentration.

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Mapa mental sobre El origen de las especies
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El origen de las especies, cuya primera edición apareció en 1859, es el libro más conocido de El biólogo británico Charles Darwin. En el libro, Darwin expone su teoría de la evolución. Afirma que toda la vida en la Tierra tiene un ancestro común y que la selección natural es el mecanismo principal para la evolución de las especies.

El libro está considerado como una de las obras científicas más importantes de la historia. Causó revuelo en el momento de su publicación porque atribuyó la riqueza de la forma de vida en la Tierra a un proceso mecánico más que a una inteligencia sobrenatural. Es cierto que otros habían sugerido previamente que podría haber cosas como la evolución o la selección natural, pero "El origen de las especies" es el primer trabajo que extrae la mayor consecuencia de estos conceptos.

4 0
3 years ago
A hypothesis is based on observations and must be _____.
Vikentia [17]
Scientific knowledge
3 0
3 years ago
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FOR THE SECOND TIME-----Ughhh can someone answer this dang biology question I cant!!!!! I will mark you brainliest!!Referring to
irina [24]

Answer:

D. G2 phase and M phase

Explanation:

<em>If we are looking for what takes up 25% of the graph, that would be the last option. If you look at G1, it takes up about 50%. So</em>, G1 phase and M phase <em>would take up more than that, and we want 25% not 50+. The </em><em>M phase and S phase</em><em> would take up about a third, so no. The </em><em>G2 phase and M phase </em><em>takes up roughly 25% or, it's the closest to this.</em>

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3 years ago
Mr. Mann's class conducted an experiment about plant response to the presence of water. They first planted pea seeds in sand. In
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Answer: D

They can only change one variable at a time, either water or light, not both. They could test the response to water first and follow that with an experiment for the plant's response to light. They cannot test for both at the same time.

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