Answer:
Dark Matter
Explanation:
90 percent of the mass in the universe is dark matter
Carbon-Oxygen
We breathe in oxygen, we breathe out carbon dioxide.
Answer:
It is in the state of "thermal arrest"
Explanation:
The temperature stays constant during the phase change process . This is because the matter has more internal energy and heat has to be taken away for the solidification process to begin. The energy that is required for a phase change is know as latent heat (which is the energy released or absorbed by a body during a thermodynamic process).