Mass per cubic metre so kg/m3. Temperature may give different results.
Answer:
3. Higher in some places and lower in other places
True !! Hope I helped you out a bit!
To solve this there is this website that I found that helps
I am in middle school so I have no idea how to solve this
but
this website may help considering u are in high school and u
(hopefully mind u)
know how to solve this
so to get there u google
"whats impact speed"
and click on the first thing there the website is ehow
