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
WINSTONCH [101]
3 years ago
12

In the 1950s, Stanley Miller and Harold Urey conducted experiments in which they fired electrical sparks in the presence of a mi

xture of different gases. How d these experiments contribute to the theory of the origins of life on earth?
A They determined that the age of organic molecules can be measured by the half-life of isotopes

B They showed that organic molecules could be formed from materials nypothesized to be available in the Earth's early atmosphere

C They proved that organic molecules formed from the accumulation of debris from space

D They discovered that organic molecules would not have formed without the presence of oxygen in the atmosphere​

biology spring assessment 2020-2021
Biology
1 answer:
mr Goodwill [35]3 years ago
4 0

Answer:

b.

Explanation:

You might be interested in
What is peristalsis and where does it occur?
Airida [17]
Peristalsis is a series of wave-like muscle contractions that move food through the digestive tract. It starts in the esophagus where strong wave-like motions of the smooth muscle move balls of swallowed food to the stomach.
6 0
3 years ago
Read 2 more answers
Is Bacteria and Bcaterium is same..​
AnnZ [28]

Answer:

Yes. Bacteria and Bacterium is a member of a large group of unicellular microorganisms which have cell walls but lack organelles and an organized nucleus, including some which can cause disease

4 0
3 years ago
Read 2 more answers
All cells make and process energy in the same way.<br> True<br> False
Alex

Answer:

false

Explanation:

5 0
2 years ago
Read 2 more answers
W dostępnych źródłach wyszukaj informacje o położeniu i roli wybranych narządów organizmu człowieka. Uzupełnij tabelę.
ss7ja [257]
What are you trying to say?
8 0
3 years ago
Read 2 more answers
What is biological test​
il63 [147K]

Answer: Biological Test Biological tests are frequently used to validate the physical and chemical tools or to provide complementary evidence about bioavailability process in a system. From: Chemosphere, 2017

Explanation:

Yw and pls mark ME AS THE BRIANIEST :D

4 0
2 years ago
Other questions:
  • The phrases above are describing what layer of our atmosphere?
    10·1 answer
  • Suppose that humans increase their consumption of antarctic fishes, causing a significant reduction in the size of fish populati
    8·1 answer
  • The density of ice is actually less than that of liquid water above 4c explain why
    5·1 answer
  • The goal of all atoms on found on the Periodic Table is to become stable.<br> True<br> False
    10·1 answer
  • Instruction
    12·1 answer
  • Two example of viruses​
    7·2 answers
  • What process is occurring in this picture at B?
    15·1 answer
  • I need someone to help me by answering this questions....
    14·1 answer
  • What would the mRNA codon be if DNA was ATC?
    12·1 answer
  • What does the "oxidative" in oxidative phosphorylation mean?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!