4 dollars because 29 divided by 5 equals 4
To be honest I think it is true but I haven't read this book since 7th grade and I'm 11 so I would check up on that
Density and Convection<span> at the Beach. </span>Convection<span> is heat transfer due to a density differential within a </span>fluid<span>. ... The </span>current<span> begins when the air over the hot sand is heated and begins to </span>rise<span> because of its lowered density. Air from above the ocean is colder and more dense.</span>