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Over [174]
3 years ago
8

Which are types of star systems?

Biology
2 answers:
sladkih [1.3K]3 years ago
7 0

Answer:

binary stars

Explanation:

Anarel [89]3 years ago
5 0

Answer:

- binary stars

Explanation:

A binary star is a star system. It is composed of its stars that orbit the same center of mass, that is, orbit around each other.

If two stars orbit each other, but maintaining a great distance from each other, they evolve independently and are called a separate pair. If they are close enough for matter to transfer between them due to tidal forces, they are called close pair or contact.

Binary stars obey Kepler's Laws of Planetary Motion, which are three:

  • 1st law (law of orbits): Each star moves along an elliptical orbit, with the center of mass of the system at one of the foci of this ellipse.
  • 2nd law (law of areas): the line connecting one star to another scans equal areas at equal time intervals.
  • 3rd law (harmonic law): The square of the orbital period of the stars is proportional to the cube of their average distance to each other.
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One way that cells use water
elena-s [515]
<span>For instance, during the concentration of salt in water affects the rate of osmosis because it will determine how much water should be transported or excreted or to be taken in. The cellular process is keen to the salt concentration of its system thus making sure to maintain balance between the salt concentration the right amount of water must also be in its area of release for any expected occurences. </span>
<span>Osmosis then is the movement of water particles from which has water and from which has not and to provide it with the sufficient H2O.<span>
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5 0
3 years ago
Robert​ Stevens, a​ 46-year-old male​ client, presents to your emergency room with progressive chest pain diagnosed as a​ latera
sleet_krkn [62]

Answer:

Hypomagnesemia

Explanation:

  • Hypomagnesemia is a condition of low magnesium levels in the body and because magnesium acts as an active cardiovascular electrolyte, its deficiency leads to cardiac complications such as dysrhythmias.
  • People who suffer from myocardial infarction are often treated for hypomagnesemia to improve their cardiac conduction, however, hypomagnesemia can also develop in chronic alcoholics.
  • The other reasons that could lead to the condition faced by Robert Stevens can be hypokalaemia however, as he is also chronic alcoholic hypomagnesemia is the main cause.
7 0
4 years ago
Spikes in the shoes of athlete (a) prevents skidding
Sophie [7]

Answer:

Spikes are provided in the shoes of athletes so as to increase the friction and prevents from falling down.

so option C. is the answer

3 0
3 years ago
Read 2 more answers
which is an example of biodiversity 900000 fires, deforestation, thousands of species carbon dioxide?
stira [4]

Answer:

Thousands of species is an example of biodiversity.

<u>Explanation: </u>

<em>Biodiversity is the short term for biological diversity which was coined by E.O. Wilson</em>. <em>Biodiversity refers to all the species of plants (flora) and animal Kingdom (fauna) present on the Earth.</em> It covers different types of ecosystems present in a well-defined area whether it be terrestrial or aquatic and the genetic variability within a species.

The variety of crops and livestock present on Earth have played a great role in human development. Without them, life would not be possible. That’s why it is our moral duty to conserve our biodiversity. If we preserve it for our future generations, we will survive.  If they are overused or misused, the entire food chain would perish.

4 0
3 years ago
Body tissue that is connected to and moves the bones in the body tendon 2. the ability of a muscle to move a weight repeatedly,
Misha Larkins [42]
The body strong flexible tissue attaching the muscle to the bone - Tendon
When a muscle is able to move a weight rapidly, repeatedly, and for an extended period of time - Muscle Endurance 
When the muscle decreases in size and strength - Atrophy
When the skeletal muscle are forcefully exercised and in result enlarge - Hypertrophy

4 0
3 years ago
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