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
Mrac [35]
2 years ago
7

How did life begin??✯✯✯✯✯✯​

Chemistry
1 answer:
ValentinkaMS [17]2 years ago
3 0

Answer:

many scientists believe that RNA or something similar to RNA, was the first molecule on earth to self- replicate and begin the process of evolution that led to more advanced forms of life, including human beings.

You might be interested in
MARKING BRAINLIEST! HURRY!!
svlad2 [7]

Answer:

a coiled spring

Explanation:

6 0
2 years ago
During a change of state, the temperature of a substance _____.
Natali5045456 [20]
Hello,

Your questions states:

During a change of state, the temperature of a substance _____?

In which you gave us some choices:

A. decreases if the arrangement of particles in the substance changes.
B. remains constant until the change of state is complete.
C. increases if the kinetic energy of the particles in the substance increases.
D. increases during melting and vaporization and decreases during freezing and condensation.

Your answer would be:

B. remains constant until the change of state is complete.

Your explanation/Reasoning:

It absorbs the energy, then after the phase changes it then increases the temperature all over again.

Have a nice day:)

Hope this helps!

~Rendorforestmusic
4 0
3 years ago
Read 2 more answers
Please dont answer if you dont know.​<br>It's the parts of a wave
Marina86 [1]
Answer:

1) wavelength
2) trough
3) amplitude
4) crest

Explanation:

Hope this helps!
5 0
3 years ago
What are the two toxic byproducts of incomplete combustion?
Brums [2.3K]
Answer- C (water and carbon dioxide)
5 0
3 years ago
Where can find the neutrons in an atom
il63 [147K]

Answer:

neutrons are found in the nucleus of an atom.

Explanation:

6 0
3 years ago
Read 2 more answers
Other questions:
  • When potential energy changes to kenetic this is called???
    15·1 answer
  • A 68-gram bar of gold is cut into three equal pieces. How dose the density of each piece compare to the density of the original
    12·1 answer
  • Why is strontium important?
    15·1 answer
  • - What would happen to the boiling point of a liquid if the volume of the liquid was doubled?
    12·1 answer
  • How can a jet create a sonic boom?
    11·1 answer
  • Strontium-90, a radioactive isotope with applications in medicine, has a half-life of approximately 30 years. Out of a 100-gram
    7·1 answer
  • One liter of gas A at 1.0 atm pressure has a temperature of 25°C while the same volume and pressure of gas B has a temperature o
    8·1 answer
  • What is the slope of the line?
    10·1 answer
  • If a compound pulley has four
    6·1 answer
  • What data can be used to make a model of food?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!