6x^2 + 3xy - 2xy +y^2
6x^2 + xy + y^2
Crust:outer silicate solid crust
mantle:highly viscous
core:solid inner core
Rock transfers heat rapidly would be true.
<span>If a modern astronomer describes a faint star as being in the constellation cygnus, the swan, you know that the star is: </span><span>Somewhere within a particular region of sky having definite boundaries
</span>The swn of the constellation cygnus is located on northern part of the constellation. This means that the location is limited to the plane part of the milky wat.
Answer:
space
Explanation:
As air gets warm, the air molecules have more energy and move around more, taking up more space. As the warm air expands, it becomes less dense than the cold air, so rises up and floats above the cold air.