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
Ymorist [56]
3 years ago
14

The andromeda galaxy is located approximately 2.5 million light- years from earth. Why is the light that reaches earth 2.5 milli

on years old?
Biology
1 answer:
Ivan3 years ago
5 0
So, the Sun's light takes about 8.3 minutes to reach us. This means that we always see the Sun as it was about 8.3 minutes ago. ... The nearest large galaxy to us, Andromeda, is 2.5 million light-years away. So, we see Andromeda as it was 2.5 million years in the past.
You might be interested in
What are inputs? <br> A: reactants<br> B: products
sweet-ann [11.9K]
The answer is A: reactants
5 0
3 years ago
Read 2 more answers
Which structure contains peptidoglycan in bacteria? What is the name of the structure?
Natalija [7]

Peptidoglycan is present in the cell wall of gram-positive bacteria. Bacteria are safeguarded by a robust cell wall comprising peptidoglycan. The layer of peptidoglycan in the cell wall of bacteria refers to a crystal lattice composition produced from linear chains of two alternating amino sugars, that is NAM (N-acetylmuramic acid) and NAG (N-acetylglucosamine). Peptidoglycans is one of the most essential sources of D-amino acids in nature.

5 0
3 years ago
Read 2 more answers
In a short paragraph, identify five factors that are contributing to the Europeanization of culture and identity across the cont
Cerrena [4.2K]
Europeanizationefers to a number of related phenomena and patterns of change: The process in which a notionally non-European subject (be it a culture, a language, a city or a nation) adopts a number of European features (Westernization).
6 0
3 years ago
Read 2 more answers
What kind of mutation would occur if a sequence of DNA is changed from ATCGGCTTAACG to ATCGGCTAAACG?
Zinaida [17]

Answer:

Base substitution mutation

Explanation:

Mutation is the alteration or change that occurs to the sequence of a gene caused by a mutagen (chemicals) or spontaneously-induced. Depending on how the mutation occurs, it is of different types. The mutation shown in this question is as follows:

ATCGGCTTAACG to ATCGGCTAAACG

This type of mutation is called SUBSTITUTION MUTATION. Substitution mutation is a type of mutation that involves the replacement of one or more nucleotide base by another. In this original sequence; ATCGGCTTAACG, the eight base T was replaced by base A in the sequence, hence, it is a substitution mutation.

4 0
3 years ago
Many organisms live in and on the human body. State which type of symbiotic relationship exist between human host and the follow
Aleksandr-060686 [28]
A. parasitism. The plasmodium is helped while the human host, harmed. 
b. mutualism. The bacteria is supplied with a living environment while the host human is supplied with vitamin K
4 0
3 years ago
Other questions:
  • Why does it make sense that muscle cells would be the best adapted to carry out fermentation?
    9·1 answer
  • Why is soil important?
    7·2 answers
  • The majority of americans with diabetes have ____________ , formerly called ____________ .
    9·1 answer
  • All of the statements EXCEPT one are true about mutations. Which statement is false?
    15·2 answers
  • The process of cell division results in *
    5·1 answer
  • How old is the planet
    13·1 answer
  • What can a green plant cell do that an animal cell cannot
    9·2 answers
  • The phenotype frequency in a populatin changews after each generation which would most likely be cause this
    12·1 answer
  • Select all the correct answers. Blue jays and crows eat caterpillars and mice. If the number of blue jays increases, what are th
    14·1 answer
  • 2. List one biotic factor that affects life in the arctic.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!