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Scrat [10]
3 years ago
9

1 Kepler's third law relates the period of a ciosed orbit to its

Biology
2 answers:
Diano4ka-milaya [45]3 years ago
7 0

Answer:

major axis

gravity

hyperbolic

Pluto

Newton’s

Aristotle developed the geocentric model that states the sun, moon, and stars seem to revolve around the Earth. Copernicus developed the heliocentric model that states the sun is at the center and other celestial bodies of the solar system orbit around it. The Sun-Earth-Moon System is based on the heliocentric model

Explanation:

valkas [14]3 years ago
7 0

Answer:

1. Kepler's third law relates the period of a ciosed orbit to its <u>major axis</u>.

2 The sun's <u>gravity</u> keeps planets in our solar system in orbit around the sun.

3. Comets are examples of bodies that complete parabolic or <u>hyperbolic</u> orbits.

4. The orbits of all the planets in the solar system are slightly elliptical with the exception of <u>pluto</u>.

5. Kepler's laws describe how objects move through space; <u>Newton's</u> laws describe why objects move in this way.

6. The geocentric and heliocentric models are models describing the universe. 'Geo' means earth, while 'helio' means sun.

The main difference between the two models is that the geocentric model describes earth as the centre of the universe; while the heliocentric model describes the sun as being the centre of the universe.

Explanation:

  • The geocentric model was proposed by a Greek philosopher called Aristotle who believed that the universe was perfect and finite. He stated that the sun, moon, the planets and stars all revolve around the earth.
  • The heliocentric model was developed by a Polish astronomer called Copernicus who argued that the sun, rather than the earth, was the centre of the universe, and all planets revolve around it.
  • Contradictory evidence in the motions of the planetary bodies led to the rejection of the geocentric model by another Greek called Galileo, who went on to support the heliocentric theory.
  • His view was highly controversial at the time, but it prevailed, and today we know the system as the Solar system.
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Answer:

yes she followed proper procedure

Explanation:

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2 years ago
Why is the weight of an object more on Earth than on the Moon?
MissTica

The correct answer is:

Gravitational pull is greater on earth . As weight = mass × g so we have more weights on earth than on moon.

Explanation:

This is because gravitational force is immediately proportional to the mass of an object. Greater the mass, greater will be the gravitational force exerted by it and thus, more will be our weight. As the moon has secondary mass than the earth, it has a lighter gravitational influence and hence, we weigh less on the moon.

3 0
3 years ago
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The cells that develop to form the outer lining of an animal's body make up the _[blank]_.
Radda [10]

Answer:

The answer is ectoderm. The mesoderm is the middle layer of lining. The endoderm is the innermost layer. You can remember it by:

Endo/ sounds like inner

Meso/ M for middle

Ecto/ sounds like exo, bugs have exoskeletons that are on the outside.

Explanation:

4 0
3 years ago
Which step in the PCR program would you have to change if your fragment would have been 10 times longer and how?
bekas [8.4K]

Answer:

increasing extension time

Explanation:

The Polymerase Chain Reaction is a technique widely used in molecular biology laboratories to amplify target DNA regions. The standard steps of a PCR are as follow 1-denaturation, 2-annealing and 3-elongation/extension. These steps are repeated 15-40 times in order to exponentially amplify the linear DNA fragment. It is well known that longer extension times can be used as a strategy to increase the yield of longer PCR products. This is because the extension time depends on the synthesis rate of the DNA polymerase used in PCR technique and the length of the DNA fragment to be amplified.

7 0
3 years ago
What instrument do we normally use in our labs at school to observe microscopic things?
Musya8 [376]

Answer:

A microscope!

Explanation:

A microscope is used to magnify objects that are too small to be seen by the human eye. I hope this helps! :)

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