They flow through the inslation of the house .
they both help things travel
Answer:
ionic compounds contain a metal and a non metal
covalent compounds contain only non metals
Explanation:
Each type of compound is named according to different rules.
Answer: Its the 2nd one
Explanation: A straight horizontal line on a speed-time graph means that speed is constant. It is not changing over time. A straight line does not mean that the object is not moving! This graph shows increasing speed.