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
jarptica [38.1K]
2 years ago
12

Explain how you know it must be oxygen. Where

Chemistry
1 answer:
kaheart [24]2 years ago
4 0

Answer:

oxygen is a present in our atmosphere and mixed with other gases on the surrounding screen plants are also measure source of getting oxygen they take carbon dioxide from making their food by for the cities and give away oxygen in return

Explanation:

most of the earth oxygen comes from tiny Ocean plants are called phytoplaston

You might be interested in
The density of an element is 19.3 g/cm^3. What is its density in kg/m^3?
Karolina [17]
First, you need to know 1 kg = 10^3 g. And 1 m^3 = 10^6 m^3. So the 1 g/cm3 = 10^3 kg/m3. So the answer is 1.93*10^4 kg/m3.
5 0
3 years ago
Which type of molecule forms structures in cells and stores energy? (5 points)
Brums [2.3K]
Just to make sure I’m right, is number 1 miss spelled??
4 0
2 years ago
6. Explain why there is no base unit for the dimension of volume.
weqwewe [10]
Because in SI, the expectation is that area and volume will be expressed in terms of a linear dimension( the metre) or its multiples.
5 0
2 years ago
If this container of gas is heated,
iogann1982 [59]

Answer:

theory

Explanation:

kinetic theory of gases

5 0
2 years ago
Read 2 more answers
Which of the following is most likely to be covalent?<br> MgO <br> CO <br> CaO <br> BaO
Kisachek [45]

Answer:

CaO

Explanation:

CaO is the only compound that is a non-metal and a non-metal. The rest of the compounds are ionic, or metal and non-metal.

8 0
2 years ago
Other questions:
  • Name three sources of atmospheric carbon dioxide.
    13·1 answer
  • Carbon exists in nature as three isotopes. Given the atomic masses and relative abundance of the isotopes, what is the average a
    14·1 answer
  • Tissues are made up of two or more different types of organs
    9·1 answer
  • Method to find upthrust
    14·1 answer
  • it was believed that earth was a stationary object at the center of the universe all other objects in space without to go around
    12·1 answer
  • USING THE ELECTRON DOT DIAGRAM HOW MANY ELECTRONS DOES IT TAKE TO FILL UP THE SECOND SHELL OF AN ATOM?
    10·1 answer
  • Elabore el balance de la ecuación por oxido reducción enumerando cada paso
    9·1 answer
  • Is there more than one possible model that could be inferred from Rutherford’s data?
    7·2 answers
  • The fact that air pressure increases the closer you get to Earth is due to ________?
    10·1 answer
  • What is a DNA fingerprint and why is it considered individual evidence?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!