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
Novay_Z [31]
3 years ago
12

C-NEO Why is an element considered a pure substance? 3

Biology
1 answer:
zloy xaker [14]3 years ago
4 0

Pure substances are either elements or compounds. Elements can NOT be separated into other types of matter (physically or chemically). Therefore, elements are pure substances. Ex: Hydrogen gas is a pure substance, as it is made up of only Hydrogen atoms or molecules.

You might be interested in
What is the advantage of using plants high in cellulose like sorghum and switchgrass instead of corn?
Dmitrij [34]
Because cellulose is a complex polysaccharide which is essential in dietary functions. Since we don't have the enzymes that digest cellulose, it passes through our gut unchanged hence form an important roughage which aids in preventing constipation as well as smooth movements of our intestines.
8 0
3 years ago
What is a reasonable action that provides safer water for communities?
Ulleksa [173]

Answer:

1.Improve sanitation facilities by providing toilets and latrines that flush into a sewer or safe enclosure.

2.Promote good hygiene habits through education. ...

3.Implement rainwater harvesting systems to collect and store rainwater for drinking or recharging underground aquifers.

4 0
3 years ago
Which one of the following is a microbe
Sergio [31]
D is the answer to the question
5 0
3 years ago
PLEASE HELP ME GUYS !
Korvikt [17]

Answer:

a) During metaphase, each of the 46 chromosomes line up along the center of the cell at the metaphase plate.

5 0
3 years ago
Read 2 more answers
Qué hace que los alimentos presenten zonas oscuras una vez que están cortados o pelados?​
DanielleElmas [232]
Los alimentos están podridos
5 0
3 years ago
Other questions:
  • If a newborn baby has central cyanosis with adequate breathing and heart rate, what should first be done?
    14·1 answer
  • WILL GIVE A BRAINLEST
    8·2 answers
  • Asdasdjhasdjhjahsd jas djahdhajsd ?
    7·1 answer
  • Cómo explican Lamarck y Darwin el origen del cambio del cuello de las jirafas?
    12·1 answer
  • 1 Point
    5·1 answer
  • Which of the following best describes REM sleep?
    11·1 answer
  • Describe the manner in which you would determine how long ago two species of bacteria diverged from one another.
    8·1 answer
  • In silkmoths, red eyes (re) and white-banded wings (wb) are encoded by two mutant alleles that are recessive to those that produ
    11·2 answers
  • A chloroplast is a type of plastid that is involved in the transformation of energy within a cell because this is the organelle
    13·1 answer
  • Extinctions that occur at a moderate rate and continuously open a limited number of opportunities for the origin of new species
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!