Answer:
Matter is a substance that has inertia and occupies physical space.
Matter is literately in <u>everything</u>
Explanation:
Examples of matter:
Your body
A home
The air
Things that are <u>not</u> matter are:
A light
Heat form fire
Sounds
There <u>not</u> matter because you <u>cant touch, smell or taste them</u>.
Answer:
D
Explanation:
Any ionic compound will have a net charge of zero.
Answer: Because it is a giant fire ball
Answer:

Explanation:
Hello!
In this case, considering the partial Dalton's law of partial pressures, we can notice that the total pressure equals the pressure of steam and the pressure of hydrogen, which can be determined as shown below:

Thus, by using the ideal gas law, we can compute the moles of hydrogen as shown below:

Best regards!
They move because of convection currents in the mantle