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
Fed [463]
3 years ago
5

Which of the following is not a physical change? (4 points)

Biology
2 answers:
Crazy boy [7]3 years ago
6 0
Burning paper is a chemical change not a physical one. Hope this helped <span>
ノ◕ヮ◕)ノ*:・゚✧</span>

AnnyKZ [126]3 years ago
4 0
Chemical changes are when a new atomically bond is created or one is broken.
Physical changes are when nothing really changes, but they item changes form.
Melting ice is a physical change. The ice is still water, just not frozen.
Breaking glass is a physical change. The glass isn’t changing, its just in smaller pieces.
Filtering a mixture is a physical change. If you filter sand from water it’s still water and sand, just not together anymore.
 
Burning paper is a chemical change. When you burn the paper it is no longer paper, now it’s ash and carbon dioxide. 
You might be interested in
Where do daughter cells obtain their DNA?
Wittaler [7]
Daughter cells, from mitosis, obtain their DNA:
a. from the duplicated chromosomes from the parent cell.
3 0
3 years ago
Read 2 more answers
You study a bacterium that grows in very low-nutrient aqueous environments. Which type of transport mechanism is required to del
saveliy_v [14]

Answer:

B. active transport

Explanation:

When a substance is to be transported from the area of its lower concentration to the area of its higher concentration, energy is consumed. The process is called active transport as it uses energy to move molecules against the concentration gradient. Membrane transport proteins such as pumps are involved in this type of transport. Therefore, the given bacterium needs to use the process of active transport to absorb the nutrients from the surroundings.

8 0
3 years ago
Unlike amphibians, reptiles
OleMash [197]
I'm pretty sure the answer is B
6 0
3 years ago
Fragile X syndrome - disorder in humans caused by the inheritance of genes that have undergone insertions of a string of 3 or 4
trapecia [35]

Answer:

TRUE

Explanation:

Fragile X syndrome  is a disorder in which nucleotide repeats will result in increase in copy number which will make the threshold unstable < it is basically a trinucleotide repeat disorder

3 0
3 years ago
6 characteristics feature of grassland habitat​
Tresset [83]

Answer:

Vegetation structure that is dominanted by grasses

6 0
3 years ago
Other questions:
  • Leukoplakia is a condition characterized by a decrease in white blood cells
    11·1 answer
  • A rolling ball has 18 joules of kinetic energy and is rolling<br> 3 m/s. Find its mass.
    8·2 answers
  • How and why the plagioclase feldspar in basaltic rocks differs from that in grantic rocks
    7·1 answer
  • The movement of water through a plant is caused, in part, by
    10·1 answer
  • What is the probability of producing a tall pea plant from a generic cross between two hybrid tall pea plant
    12·1 answer
  • Which of the following planets has very little atmosphere?
    10·2 answers
  • why is it important that ions being transported across a cell membrane be shielded from the interior of the lipid bilayer
    13·1 answer
  • What might happen to the cell if it were suddenly unable to use lipids?
    9·1 answer
  • What is the botanical name of beans​
    10·2 answers
  • Which ball-and-socket joint is the most freely moveable joint in the body?
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!