Answer:
4.3%
Explanation:
i had this same question on a test
Because the water inside of the pipes start to freeze, which means the water is expanding inside the pipe, creating a great amount of pressure, and causing the pipe to burst.
An autotroph is a living organism that produces complex compounds such as carbohydrates, fats and proteins. They are producers in a food chain, in contrast to heterotrophs who are consumers.
The answer you need is the LENS, it helps your eyes focus. i really hope this helps!