The layer of a star is very dense and hot, while the layer of a star is much cooler and less dense.
(1 point)
O lower, upper
O upper, lower
O outer, inner
O inner; outer
1 answer
O inner; outer
(1 point)
O lower, upper
O upper, lower
O outer, inner
O inner; outer
1 answer
1 answer
1 answer
2 answers
1 answer