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
raketka [301]
2 years ago
6

_____________________ held that all matter is made up of four “elements”— earth, air, fire, and water.

Chemistry
1 answer:
Novosadov [1.4K]2 years ago
4 0

Answer:

Democritus

Explanation:

He spoke about matter was made of tiny particles which moved in empty space

You might be interested in
Help please
Mekhanik [1.2K]

Answer:

it's the regolith

hope this helps you

C Horizon - Also called regolith: the layer beneath the B Horizon and above the R Horizon. It consists of slightly broken-up bedrock. Plant roots do not penetrate into this layer; very little organic material is found in this layer. R Horizon - The unweathered rock (bedrock) layer that is beneath all the other layers.

7 0
2 years ago
25. What is the molarity of an H2SO4 solution if
gizmo_the_mogwai [7]

Answer:

1

Explanation:

hope it helps:)

///////////

7 0
2 years ago
** WILL MARK BRAINLIEST **
hram777 [196]

It is c I hope I helped out with this question!.

3 0
3 years ago
Read 2 more answers
In the reaction of sodium and oxygen, which atom is the reducing agent?
pishuonlain [190]
Sodium is the reducing agent because a reducing agent is always the donor of electrons.
8 0
2 years ago
d) A short ton of coal holds about 2.24 x 107 J of energy and costs about $56.45 per short ton. How many Joules of energy in the
Feliz [49]

Answer:

396811.337 J

Explanation:

The cost of one short ton of coal = $56.45

The energy related to the short ton of coal = 2.24\times 10^{7}\ J

Thus, As according to the question,

$56.45 of coal have 2.24\times 10^{7}\ J of energy.

$1 of coal have \frac{2.24\times 10^{7}}{56.45}\ J of energy.

<u>The amount of energy = 396811.337 J</u>

4 0
3 years ago
Other questions:
  • How much energy must be added to 2 mol H2O(g) to cause it to decompose into H2 and O2?
    13·2 answers
  • Explain the action of steam on a metal​
    9·1 answer
  • The lattice structure in a metal is _____ than the lattice structure of an ionic compound.
    9·1 answer
  • In which layer does the temperature vary the MOST?
    14·2 answers
  • Please write balanced equations for these reactions! WILL GIVE BRAINLIEST! 50 POINTS
    14·1 answer
  • How many atoms are in carbon 12
    8·2 answers
  • State the number of electrons that must be gained by atoms of each of the following elements to obtain a stable electron configu
    8·1 answer
  • Match each item to its proper disposal method. Answers to be used more than once.
    5·1 answer
  • Definition: A one or two letter abbreviation for a chemical element.<br> Example: Cu is copper.
    15·2 answers
  • Can mixtures and compounds be separated into their elements? If so which?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!