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Finger [1]
3 years ago
8

You have learned in biology class that a substance called chlorophyll makes leaves green. You guess that perhaps leaves change c

olor because they do not produce chlorophyll when temperatures get colder. What have you done?
Physics
2 answers:
Shkiper50 [21]3 years ago
7 0
You have formed a hypothesis.
atroni [7]3 years ago
4 0

you have formed what you call a hypothesis, is kinda like a theory.

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strojnjashka [21]

Answer:

the maximum height is 1.276 meters

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2 years ago
Solar system help please!
Kobotan [32]
When one body(sun) exerts a force on a second body(planet), the second body simultaneously exerts a force equal in magnitude and opposite in direction of the first body. Which makes the planet orbit in path C.

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2 years ago
Which statement is correct?
slega [8]

Answer:B

Explanation:

Galilean transformation are only approximately correct,while Lorentz transformation are more exact

6 0
3 years ago
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Based on their colors, which of the following stars is hottest? Which is coolest? Archenar (blue), Betelgeuse (red), Capella (ye
Cloud [144]

Answer: The hottest star is Archenar( blue) and the coolest star is Betelgeuse

Explanation:

Objects emit radiation that depends exclusively on their temperature. At an ambient temperature, the radiation emitted by an object is in the infrared spectrum (we could only see it with a special camera). If we heat it we will see that it first turns red (whose state we call “red hot”) because it is the lowest and least energetic wavelength of all.

If we continue to heat it, the wavelength that it emits to one with more energy will continue to increase and we will see that it turns yellow and then white. This is a signal that is emitting at all frequencies (but mainly in blue).

If we continue to warm a body that is "white hot", it would emit in the ultraviolet spectrum, with what would become ... black! then we would not see it emits light in the visible spectrum (well, we would see a very faint bluish light corresponding to the tail of the distribution of the spectrum it emits, but the peak of that spectrum would be in the ultraviolet).

6 0
3 years ago
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Newton's First Law says that an object at rest will stay at rest, and an object in motion will stay in motion unless:
Verdich [7]

Answer: Acted on by equal forces in opposite direction

Explanation:

Newton's First Law says that every body continue in its state of rest or constant speed on a straight line unless being acted upon by an external force.

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