What are the two key elements needed for fossilization

Physics

1 answer:

xenn [34]4 years ago

3 0

Body Fossils and Trace Fossils.

Hope I helped and good luck with school. Bye!

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Will carbon 13 react differently to carbon 12? Explain your answer referring to the electron structure of the elements

Hoochie [10]

Answer

Carbon 12, 13 and 14 are carbon isotopes. Carbon 12 has exactly 6 protons and 6 neutrons

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6 0

3 years ago

A 5200w electric oven

OLga [1]

Answer:

104 kWh

Explanation:

To calculate the kWh you multiply power with the amount of hours.

So for this we take 5200 W × 20 = 104 000 Wh

Then change Wh to kWh so that makes 104 kWh

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2 years ago

Suppose that you measure the light of a star between 640 and 680 nm and you get a very strong peak around 650 nm. what can you s

Llana [10]

Answer: The star is moving away from Earth

Explanation:

Let's begin by explaining what the Doppler shift is:

This is related to the Doppler effect and refers to the change in a wave perceived frequency (or wavelength=color) when the emitter of the waves, and the observer move relative to each other.

From there, it is deduced that the farther the object is, the more redshifted it is in its spectrum. For example, as a star moves away from the Earth, its espectrum turns towards the red and as the star moves toward the Earth, its espectrum turns towards the blue.

In this sense, since the peak in wavelength is around 650 nm, which corresponds to red, it can be said the star is moving away from Earth.

3 0

4 years ago

HELP ASAP PLEEEEES

matrenka [14]

Explanation:

33. The 1.5kg owl is now soaring at 20m/s. What is the owl’s KE?

a. Step 1: Formula ½mv²

b. Step 2: Data m = 1.5 kg, v = 20 m/s

c. Step 3: Solve

KE = (1/2)(1.5)(20)² = 300 J

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3 years ago

Through which of these media do sound waves travel the fastest?

Nimfa-mama [501]

Answer:

sound travel fastest through solids this is because molecules in a solid media much closer together then throws in a liquid or gas flowing sound ways to travel more quickly throw it in fact sound waves travel over 17 times faster throw Steel then through air

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3 years ago