Answer and Explanation:
ha incrementado la importancia de la ecología por los cambios que han ocurrido a través de el plante, en nuestra época más que nada se necesita proteger el planeta antes de que sea demasiado tarde.
<span> Gemini will be visible almost 9 months, Other times it will be visible at night sometimes, due to the earths rotations only certain constellations are see able at one time. </span>
Answer: Sea stars move using a water vascular system. Water comes into the system via the madreporite. It is then circulated from the stone canal to the ring canal and into the radial canals.
Explanation: The radial canals carry water to the ampullae and provide suction to the tube feet.
1 the atmosphere because gas is everywhere.
