Answer:
Endoskeleton
Explanation:
An internal skeleton is called an endoskeleton, which is what vertebrates have. A sponge endoskeleton consists of short, sharp rods called spicules
Spicules are made of silica, calcium carbonate, etc.
Answer:
1. A 2.B 3.B 4.C 6.A 7.B 8.C 9.D
Explanation:
Answer:
idc idk and I hate this it is anoying
Explanation:
this is dumb no really dumb
its C. geosphere and hydrosphere. bcz hydrosphere(water) includes liquid parts of earth and geospphere includes solid part (sand).
