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
wariber [46]
3 years ago
15

How do you tell if physicalchange has occurred?

Biology
1 answer:
QveST [7]3 years ago
4 0
No new substance is produced.
You might be interested in
How do chlorofluorocarbons contribute to the hole in the ozone layer
Westkost [7]

Answer:

Ozone layer saves the earth from the ultraviolet rays of sun which is harmful for earth. It is situated jn upper atmosphere and saves earth. But thus chlorofluorocarbons destroys the Ozone Layer in the atmosphere.

7 0
3 years ago
What is the electron transport chain and where is it located?
AleksAgata [21]
A group of compounds that pass electron from one to another via redox reactions coupled with the transfer of proton across a membrane to create a proton gradient that drives ATPsynthesis. It is located in the inner membrane of the mitochondria.
8 0
2 years ago
Which contains mostly hydrocarbons?<br><br> carbohydrates<br> proteins<br> salt<br> gasoline
omeli [17]

Answer:

gasoline

Explanation:

hope that is help you haha

4 0
3 years ago
Read 2 more answers
When discussing magnetic fields we could say that
wel

Answer:

Explanation:

metal can become magnetic if they have many spinning electron. When the majority of atoms spin in the same direction the strong magnetic field is produced the direction of electron spin determine the direction of magnetic field

3 0
3 years ago
Which organic molecules are nucleic acids
Lostsunrise [7]
I think it may be this but not quite sure

Lipids are primarily hydrophobic in nature, but there are a large variety of lipids such as fatty acids, mono-, di-, and triglycerides, for example (check wikipedia for more examples). 

<span>Proteins are polymers of amino acids. </span>

<span>Nucleic acids are polymers of nucleotides.</span>
4 0
3 years ago
Other questions:
  • 15.
    15·1 answer
  • Which planet do most known extrasolar planets most resemble?
    8·1 answer
  • Where does the first stage of cellular respiration, glycolosis, occur? A. cell cytoplasm B. mitochondrial matrix C. mitochondria
    15·2 answers
  • Which molecule is shown a magenta (pink/purple)
    9·1 answer
  • How do the protists in the pond water differ from each other
    10·1 answer
  • What is the force of an object if it accelerates 4 m/s2 and has a mass of 10 kg? (F = ma)
    10·1 answer
  • Why are some species of insects exempt from being protected under the US Endangered Species ACT of 1973?
    9·1 answer
  • HELP! What are some of the reasons Humans depend on the ocean? - How do humans impact the ocean? - Since we humans depend on the
    10·1 answer
  • Which of the following is a function of the cell wall?
    13·1 answer
  • Which mhc class of antigens is necessary for antigen recognition by cd4-positive t cells?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!