Answer:
They hibernate in winter and usually breed in spring.
Explanation:
Answer:
Iron from the sand.
Explanation:
Since some types of ocean life, (plankton, algae, etc.) do sometimes not get enough iron, (nutrient) in their bodies, sand is needed for their survival. Sand has lots of iron for the animals' health, so sand is vital for their health and survival.
Answer:
I don't know. Is this from a story or something?
Explanation:
Answer:
All systems work together to stabilize the body.
Explanation:
Answer:
The crust, mantle and inner core are defined by chemical composition