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Andreas93 [3]
3 years ago
9

Question 12 of 15 A__ is a device that allows a car to use hydrogen gas to operate.

Biology
1 answer:
svet-max [94.6K]3 years ago
4 0

Explanation:

fuel cell is the correct answer.

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A pediatrician designs baby formula to help babies gain weight. To show his formula works, he compares the weights of babies tha
Lelechka [254]

Answer:

Dependent Variable: Babies that use the formula

Independent Variable: Babies Without the formula

Explanation:

As the formula dose Increases, So does the weight of the babies (figurativly)

This is the Dependent variable because it depends on another factor

The Independent variable doesn't depend on the amount of formula taken because it doesn't use the formula, therefore it doesn't depend on anything, its Independent.

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2 years ago
Models are important in science. Some models are verbal models, which are full elaborate descriptions that can help someone visu
statuscvo [17]

The main layers of Earths interior are the inner core, the outer core, the mantle and the crust.

<h3>What is the indirect evidence that helped us determine the layers?</h3>

Use of seismic waves is the indirect evidence that helped us determine the layers. When earthquakes occur they produce seismic waves.

The flow of matter occurs by convection. The dense crust subducts back into the mantle exert forces on crustal plates that then move, producing tectonic activity.

So we can conclude that The main layers of Earths interior are the inner core, the outer core, the mantle and the crust.

Learn more about earthquake here: brainly.com/question/248561

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2 years ago
An ionic bond occurs when _____.
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The answer is B . two atoms exchange electrons and become ions
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Which of the following is the limit of science
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I don’t think there is a limit in science because we didn’t discover even half of the ocean.
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