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
defon
3 years ago
9

What did astronomer Edwin Hubble discover in 1929? I need it up to 4 sentences

Biology
1 answer:
agasfer [191]3 years ago
4 0

Answer:

Edwin Hubble discovered that the universe was expanding. he used his known 100 inch telescope to discover that our milky way was one of many galaxies. that these galaxies are part of an ever expanding universe. This discovery changed the way we and scientists look at the universe

You might be interested in
Which of the following assort independently?
Likurg_2 [28]
<span>a. chromosomes  hope that helped I'm doing the same quiz.</span>
3 0
3 years ago
An exocrine gland that has an unbranched duct would be classified as a __________.
Firdavs [7]

Answer:

B) Multicellular Simple gland

Explanation:

Exocrine Glands:Glands that secrete their products onto the apical(or epithelia) surface directly or via epithelial ducts or tubes that are connected to the apical surface. These Exocrine glands are composed of highly specialized epithelial cells..

Exocrine glands can either be branched or Unbranched based on the arrangement.

*Multicellular simple glands*:Glands that have an *unbranched duct* into which cells secrete. Each secretory portion empties separately on an epithelial surface.

6 0
3 years ago
DNA samples should be stored in an airtight containers to prevent contamination true or false
Aleksandr-060686 [28]

Answer: True

Explanation:

DNA is a biological evidence. It is a heredity material which is present in all organisms on earth. The DNA in humans can be taken as sample from nails, bones, blood, skin, hair and other sources.

The DNA samples can be taken so as to establish the identity of the culprit, victim or any one which is associated with crime.

The DNA evidence has applicability as a potent evidence in the court of law. Thus utmost care should be taken to preserve it's integrity until it is analysed and presented in the court of law.

Thus the DNA evidence should be collected and preserved in airtight containers so as to prevent the entry of airborne pathogens like bacteria, virus these can contaminate the sample evidence and can make the evidence not of any use.

 

7 0
4 years ago
The outer structure of the neuron is made of a
Ludmilka [50]

a semipermeable membrane

7 0
3 years ago
In an animal cell these organelles are much smaller than in plant cells. What is this organelle called?
Doss [256]

Answer:

chloroplasts I think ;)

3 0
3 years ago
Other questions:
  • Was the bag that gained the most weight hypertonic hypotonic or isotonic
    13·1 answer
  • Predict what might happen if the human body did not have specialized cells, tissues, organs, and organ systems to maintain homeo
    5·1 answer
  • 1- As pirâmides ecológicas são representações gráficas da estrutura trófica de um ecossistema. A respeito dessas pirâmides, marq
    11·1 answer
  • ___ is the growing of new plants from other plant parts?
    15·1 answer
  • 10 points plus brainliest! please help!!
    9·2 answers
  • After receiving a stimulus, the _____ send(s) signals to the appropriate area of the body
    7·2 answers
  • When a rat's ventromedial nucleus is destroyed, the rat will:
    7·2 answers
  • Which statements correctly describe whether a compound is a pure substance
    11·1 answer
  • Which statement identifies the body systems that are directly involved in the interaction
    7·2 answers
  • Plsssss help meh ASAP
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!