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
notka56 [123]
3 years ago
9

An example of a physical change is

Chemistry
2 answers:
alexdok [17]3 years ago
7 0

Answer:

A: Crushing a Rock

Explanation:

The rock is physicially being broken down and turned into either smaller pieces of rock or dust if you pound it hard enough.

aev [14]3 years ago
5 0

Answer:

the answer is a) crushing a rock because even though you broke it, its still a rock just in smaller pieces. B is not the answer because its a chemical change. The shirt is losing colour and you can't reverse it.

You might be interested in
Determine the composition of each phase in a cu-40% ni alloy at 1300c,
Morgarella [4.7K]
To be able to answer this, you need to have a phase diagram of Cu-Ni alloy. Create a vertical line along 40% in the x-axis. Then, create a horizontal line along the temperature at 1,300°C. The intersection lies outside of the α-L boundary. <em>Therefore, the system consist solely of the L-phase: 100% L.</em>

4 0
3 years ago
What is the element presented, in this compound?
DerKrebs [107]

compound name compound formula elements present

water H2O hydrogen (H) and oxygen (O)

ammonia NH3 nitrogen (N) and hydrogen (H)

carbon monoxide CO carbon (C) and oxygen (O)

carbon dioxide CO2 carbon (C) and oxygen (O)

4 0
3 years ago
Read 2 more answers
How does physical energy cause a rain puddle to disappear on a sunny day
goblinko [34]
The sun makes the moisture go into the air and evaporate
5 0
3 years ago
There are two types of nucleic acids, dna and rna. nearly all organisms use dna, not rna, as the central repository for genetic
Leya [2.2K]
Found the choices. Pls see attachment. 

The statements that explains this phenomenon are:
1) DNA contains adenine as one of its nitrogenous bases.
2) DNA has a double-stranded structure that ensures an accurate mechanism of duplication.

6 0
3 years ago
If the H+ ion concentrati on in an aqueous solution is 0.0010 M, why is it not possible for the OH− ion concentration to be 1.0
spayn [35]

Answer:

im not sure sry

Explanation:

6 0
3 years ago
Other questions:
  • Two steel containers of equal volume contain two different gases at the same temperature. the first container holds 1.3 moles of
    6·1 answer
  • Given that you added 5 ug of a purified acid phosphatase to tube a, calculate the amount of acid phosphatase (in ug) that was pr
    10·1 answer
  • Consider the following electronegativity values:
    8·1 answer
  • Many metals react with acids to produce hydrogen gas. A certain reaction produces 32.6 L of hydrogen gas at STP. How many moles
    12·1 answer
  • 13 Apply Place a check mark in the box to indicate
    13·2 answers
  • PLS HELP ASAP. list 5 chemicals that contribute to ozone layer depletion?​
    8·1 answer
  • ____________ In a group all on their own. No neutrons.
    5·1 answer
  • The density of mercury is 13.6 g/cm3, What is its density in mg/mm3?
    9·1 answer
  • How can volcanic ash change Earths surface ?
    8·1 answer
  • The detector used in this experiment is called a Flame Ionization Detector (FID). As the different sample components come out of
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!