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Zinaida [17]
3 years ago
12

Which of the following aspects of water quality is related to changes in weather patterns and circulation of water in the oceans

?
Agricultural runoff


Heavy metals in water


Acidification


Salinity and temperature
Biology
1 answer:
Molodets [167]3 years ago
7 0

Answer:

Sanity and Temperature

Explanation:

They both determine the density of ocean water and density influences the circulation.

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Which of the following is an example of the pattern of evolution? heredity descent with modification the inheritance of acquired
sesenic [268]

Answer:

The fossil record of the evolution of modern cetaceans.

Explanation:

The fossil record has observable data on morphological development of early cetaceans as well as their bio-geographical distribution.

5 0
3 years ago
12.36Un balón lleno contiene 12 kg de oxígeno, O2, bajo una presión ma-nométrica de 40 atm. Determine la masa de oxígeno que se
const2013 [10]

Answer:

Quedan 7.317 kilogramos de oxígeno en el balón y se extraen 4.683 kilogramos de oxígeno en el proceso.

Explanation:

Asúmase que el balón es rígido. Supongamos que el oxígeno se comporta como un gas ideal, entonces la ecuación de estado es la siguiente:

P\cdot V = \frac{m\cdot R_{u}\cdot T}{M} (1)

Donde:

P - Presión, medida en atmósferas.

V - Volumen, medido en litros.

m - Masa, medida en kilogramos.

M - Masa molar, medida en kilogramos por kilomol.

T - Temperatura, medida en Kelvin.

R_{u} - Constante de los gases ideales, medida en atmósfera-litros por kilomol-Kelvin.

El aire experimenta un proceso isocórico e isotérmico, entonces obtenemos la siguiente relación:

\frac{P_{1}}{m_{1}} = \frac{P_{2}}{m_{2}} (2)

Nótese que los subíndices 1 y 2 representan los estados inicial y final de proceso.

Si sabemos que P_{1} = 41\,atm, m_{1} = 12\,kg y P_{2} = 25\,atm, entonces la masa final del aire es:

m_{2} = \frac{P_{2}}{P_{1}} \cdot m_{1}

m_{2} = \left(\frac{25\,atm}{41\,atm}\right)\cdot (12\,kg)

m_{2} = 7.317\,kg

La masa que se ha extraído del balón es:

\Delta m = m_{1}-m_{2}

\Delta m = 12\,kg-7.317\,kg

\Delta m = 4.683\,kg

Quedan 7.317 kilogramos de oxígeno en el balón y se extraen 4.683 kilogramos de oxígeno en el proceso.

8 0
3 years ago
(Match the following)
ikadub [295]

Answer:

safashfb nayg8gw4egsfmbasft68awgg

Explanation:gwe4rgwegwegm8uwehg7

Nobody answer this persons question they do this ^^ to many questions just to get points

8 0
2 years ago
Does anyone have answers i will give brailiest for the first person who answers Lesson 11: The Nature of Life Unit Test
Drupady [299]
I don't know if this will help you or not but here you go.

https://quizlet.com/225903868/lesson-11-the-nature-of-life-unit-test-biology-a-unit-1-the-nature-of-life-flash-cards/
6 0
3 years ago
The electrical current that travels down the axon of a neuron is known as what?
sattari [20]

Answer:

A nerve impulse

Explanation:

It's important to note that these signals not only connect the brain and spinal cord, but they also send signals to muscles and glands. People talk about nerve impulses when they talk about the electrical signal that goes down an axon.

7 0
2 years ago
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