Explanation:
Lucille's cells need oxygen. In order for cells to properly function, they need to be oxidized. If Lucille's respiratory system is not working then her body cannot receive the oxygen that it needs in order to send to her blood cells. The circulatory system pumps Lucilles's blood around her body but if there is no oxygen, Lucille's cells/heart cannot properly function, this making it difficult for her to play soccer.
Echinoderms have radial symmetry.
Answer:
so what happens to the wave length of a wave, when the frequency increases the wave length shortens/ decreases.
when the frequency decreases, the wave length increases.
