1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
iogann1982 [59]
3 years ago
12

If a star were 2 light years away, how far is it?

Biology
2 answers:
Viefleur [7K]3 years ago
8 0

Answer: 18.92 trillion kilometers

Explanation:

One light year is the distance traveled at the speed of light in one year.

Speed of light in vacuum = 3\times 10^8m/s

Thus distance traveled by light in one year = 3\times 10^8\times 60\times 60\times 24\times 365=9.46\times 10^15m

Hence, distance traveled in two years =2\times 9.46\times 10^15=1.89\times 10^{16}m=18.92\times 10^{12}km=18.92 trillionkm

(1km=1000m)  (1trillion=10^{12})

Kobotan [32]3 years ago
7 0
2 trillion kilometer
You might be interested in
List the major difference between DNA and RNA.
UkoKoshka [18]
Dna has some stufff more important than what rna has gotten
5 0
4 years ago
Name the cells that are produced by the testes and ovaries
Hatshy [7]

Answer:

The testes produce spermatocytes (sperm) while ovaries produce oocytes (ova)

Explanation:

They are produced by the process of meiosis I on the parent cell than meiosis II. In the testes, the process is called spermatogenesis while in ovaries the process is referred as oogenesis. These processes are regulated by gonadotropins Follicle Stimulating Hormone and Luteinizing Hormone.

8 0
3 years ago
What is the relationship between” Endomembrane System, Insulin and Insulin Receptor, activation by phosphorylation, membrane-bou
babymother [125]

The plasma membrane and several cytoplasmic organelles such as the ER, Golgi apparatus, secretory granules and vesicles, lysosomes, endosomes, form an endomembrane system.

Good luck!

4 0
3 years ago
Archaebacteria look much alike organisms from what other kingdom due to their similar shapes?
Goshia [24]

Step-by- step-Explanation:

  • Archaebacteria are very similar to Bacteria with respect to their cell size,prokaryotic organisation,circular DNA etc.
  • Archaebacteria very similar to Gram-positive bacteria on the basis of cell structure.
  • Both bacteria and Archaebacteria have several similar Metabolic Pathways.
  • Unlike Bacteria Archaebacteria are habitants of extreme climates like hot springs and ice capped continents.

Thus Archaebacteria are much alike to Eubacteria.

7 0
3 years ago
explain what is meant by emergent properties when explaining how a beaker full of chemicals is different than an animal made of
tangare [24]

Answer:

In biology, an emergent property is a property possessed by a collective and complex system of constituents, which is lacking in the individual component of the system

Emergent properties are therefore, an important aspect of biological system, for example, a beaker containing graphite (carbon) and ammonium ions in solution contains the same chemicals found in the human brain used to control movement and store memory whereas the chemicals in the beaker are idle.

Explanation:

8 0
4 years ago
Other questions:
  • Ang Chlorophy
    13·1 answer
  • Please help! #35 and #36 asap! Will mar k brainliesttt whoever explains thoroughly please
    10·1 answer
  • Which of the following describes the pathway for maintaining equilibrium? a. Head movement → Vestibular nerve → Inner ear recept
    12·1 answer
  • What is the large circular path on the surface currents in each ocean basin
    8·1 answer
  • Plz help:) ❤️❤️❤️ASAP!
    11·1 answer
  • When the hanging wall moves up relative to the footwall it is a blank fault
    12·2 answers
  • The green machines within a plant are the blank.<br>Lysosomes chloroplasts mitochondria
    10·1 answer
  • Can someone help me please?
    11·2 answers
  • Living things need energy<br> Your essay need to include;<br> producer<br> consumer<br> decomposer
    12·2 answers
  • Fireflies make their own light. The light they give off looks green. The spectrum of their light is shown. Describe how you woul
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!