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3 years ago

Which of the following is a part of the geocentric model?

2 answers:

6 0

In astronomy, the geocentric model is a model that depicts the Earth at the center of the Universe, with the Sun and the other planets revolving around it.

Therefore, the correct answer is
"All objects in the universe revolve around Earth. "
which corresponds to the geocentric model.

vazorg [7]3 years ago

5 0

The correct answer is C where all objects in the universe revolve around earth.

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A patient who smokes has hypertension. how could smoking have contributed to the patients hypertension

elena-14-01-66 [18.8K]

The nicotine in cigarette smoke is a big part of hypertension. It raises your blood pressure and heart rate, makes your arteries more narrow and hardens their walls, and also makes your blood more likely to clot. Hope this answers the question.

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3 years ago

Read 2 more answers

If stellar parallax can be measured to a precision of about 0.01 arcsec using telescopes on the Earth to observe stars, to what

marin [14]

Answer:

It corresponds to a distance of 100 parsecs away from Earth.

Explanation:

The angle due to the change in position of a nearby object against the background stars it is known as parallax.

It is defined in a analytic way as it follows:

$\tan{p} = \frac{1AU}{d}$

Where d is the distance to the star.

$p('') = \frac{1}{d}$ (1)

Equation (1) can be rewritten in terms of d:

$d(pc) = \frac{1}{p('')}$ (2)

Equation (2) represents the distance in a unit known as parsec (pc).

The parallax angle can be used to find out the distance by means of triangulation. Making a triangle between the nearby star, the Sun and the Earth (as is shown in the image below), knowing that the distance between the Earth and the Sun (150000000 Km), is defined as 1 astronomical unit (1AU).

For the case of ( $p('') = 0.01$ ):

$d(pc) = \frac{1}{0.01}$

$d(pc) = 100$

Hence, it corresponds to a distance of 100 parsecs away from Earth.

Summary:

Notice how a small parallax angle means that the object is farther away.

Key terms:

Parsec: Parallax of arc second

7 0

3 years ago

10. Cumulus and stratus clouds belong to which cloud group?

EastWind [94]

Cumulus belongs to vertical clouds and status to low

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4 years ago

What is the relationship between dominant and recessive genes

Triss [41]

Dominant genes and recessive genes are both given to a parents offspring. However, not both can be expressed causing the difference of dominant and recessive. Dominant genes are more likely to be expressed and recessive genes are more likely to be repressed.

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3 years ago

The distance between stars is typically measured in

Murljashka [212]

The question says: complete the sentence: The distance between stars is typically measured in.... The answer is 'light years" - the distance that light travels in a year. That's because it's a very big unit and if we were using smaller units, we would be using huge numbers that would be hard to read and would take up a lot of space.

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3 years ago