Comets are usually formed of ice and other suave debris, while asteroids typically contain metals.
Answer:
A
Explanation:
CO2 cylinder, 68% full by water capacity, warms up to room temperature (70 oF), the pressure inside the cylinder increases to 837 psi. When the same cylinder reaches 87.9 oF the entire charge becomes a gas no matter what the pressure.
An Organic Compound is when Hydrogen and Nitrogen are bonded.
Therefore A is the answer
